/* ================================================================
   AI Diyetisyen — Ana Tasarım Sistemi
   ================================================================ */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Poppins:wght@600;700;800&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
    --primary: #2D6A2E; --primary-light: #4CAF50; --primary-dark: #1B4D1C;
    --pale-green: #F0F7E8; --accent: #8BC34A; --accent-light: #A5D66B;
    --dark-text: #1A1A2E; --gray-text: #6B7280; --light-gray: #9CA3AF;
    --border-color: #E5E7EB; --white: #FFFFFF; --cream-bg: #FAFDF6;
    --card-bg: #FFFFFF; --warning: #F59E0B; --warning-light: #FEF3C7;
    --error: #EF4444; --error-light: #FEE2E2; --success: #10B981;
    --success-light: #D1FAE5; --gold: #FFD700; --gold-light: #FFF8DC;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-heading: 'Poppins', 'Inter', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
    --radius-sm: 8px; --radius-md: 12px; --radius-lg: 16px;
    --radius-xl: 24px; --radius-full: 50%;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
    --shadow-lg: 0 8px 30px rgba(0,0,0,0.1);
    --shadow-xl: 0 20px 60px rgba(0,0,0,0.12);
    --shadow-green: 0 4px 20px rgba(45,106,46,0.2);
    --transition-fast: 150ms ease; --transition-base: 250ms ease;
    --transition-slow: 400ms ease;
    --container-max: 1200px; --header-height: 72px;
}

*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--font-body);font-size:16px;line-height:1.6;color:var(--dark-text);background:var(--cream-bg);-webkit-font-smoothing:antialiased}
a{color:var(--primary);text-decoration:none;transition:color var(--transition-fast)}
a:hover{color:var(--primary-light)}
img{max-width:100%;height:auto;display:block}
h1,h2,h3,h4,h5,h6{font-family:var(--font-heading);font-weight:700;line-height:1.25;color:var(--dark-text)}
h1{font-size:clamp(2rem,5vw,3.2rem)} h2{font-size:clamp(1.6rem,3.5vw,2.4rem)}
h3{font-size:clamp(1.2rem,2.5vw,1.6rem)} h4{font-size:1.2rem}
.text-gradient{background:linear-gradient(135deg,var(--primary),var(--accent));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.text-sm{font-size:.875rem} .text-xs{font-size:.75rem} .text-center{text-align:center}
.text-gray{color:var(--gray-text)} .text-green{color:var(--primary)} .text-mono{font-family:var(--font-mono)}

/* Container */
.container{max-width:var(--container-max);margin:0 auto;padding:0 24px}

/* Navbar */
.navbar{position:fixed;top:0;left:0;right:0;height:var(--header-height);background:rgba(255,255,255,0.85);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-bottom:1px solid rgba(229,231,235,0.5);z-index:1000;transition:box-shadow var(--transition-base)}
.navbar.scrolled{box-shadow:var(--shadow-md)}
.navbar-inner{max-width:var(--container-max);margin:0 auto;padding:0 24px;height:100%;display:flex;align-items:center;justify-content:space-between}
.navbar-logo{display:flex;align-items:center;gap:10px;font-family:var(--font-heading);font-weight:700;font-size:1.3rem;color:var(--primary)}
.navbar-logo span{background:linear-gradient(135deg,var(--primary),var(--accent));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.navbar-links{display:flex;align-items:center;gap:32px;list-style:none}
.navbar-links a:not(.btn){font-weight:500;font-size:.95rem;color:var(--gray-text);transition:color var(--transition-fast);position:relative}
.navbar-links a:not(.btn):hover,.navbar-links a:not(.btn).active{color:var(--primary)}
.navbar-links a:not(.btn)::after{content:'';position:absolute;bottom:-4px;left:0;width:0;height:2px;background:var(--primary);border-radius:1px;transition:width var(--transition-base)}
.navbar-links a:not(.btn):hover::after,.navbar-links a:not(.btn).active::after{width:100%}
.navbar-toggle{display:none;background:none;border:none;cursor:pointer;padding:8px}
.navbar-toggle span{display:block;width:24px;height:2px;background:var(--dark-text);margin:5px 0;border-radius:2px;transition:var(--transition-base)}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 28px;border-radius:var(--radius-md);font-family:var(--font-body);font-weight:600;font-size:.95rem;cursor:pointer;border:none;transition:all var(--transition-base);text-decoration:none;line-height:1.4;white-space:nowrap}
.btn-primary{background:linear-gradient(135deg,var(--primary),var(--primary-light));color:var(--white);box-shadow:var(--shadow-green)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 6px 25px rgba(45,106,46,0.35);color:var(--white)}
.btn-secondary{background:var(--pale-green);color:var(--primary);border:1px solid rgba(45,106,46,0.15)}
.btn-secondary:hover{background:var(--primary);color:var(--white);transform:translateY(-1px)}
.btn-outline{background:transparent;color:var(--primary);border:2px solid var(--primary)}
.btn-outline:hover{background:var(--primary);color:var(--white)}
.btn-ghost{background:transparent;color:var(--gray-text);padding:8px 16px}
.btn-ghost:hover{background:var(--pale-green);color:var(--primary)}
.btn-lg{padding:16px 36px;font-size:1.05rem;border-radius:var(--radius-lg)}
.btn-sm{padding:8px 16px;font-size:.85rem}
.btn-icon{width:40px;height:40px;padding:0;border-radius:var(--radius-full)}
.btn:disabled{opacity:.5;cursor:not-allowed;transform:none!important}

/* Cards */
.card{background:var(--card-bg);border-radius:var(--radius-lg);padding:24px;box-shadow:var(--shadow-sm);border:1px solid var(--border-color);transition:all var(--transition-base)}
.card:hover{box-shadow:var(--shadow-md);transform:translateY(-2px)}
.card-glass{background:rgba(255,255,255,0.7);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid rgba(255,255,255,0.3)}
.card-green{background:linear-gradient(135deg,var(--primary),var(--primary-light));color:var(--white);border:none}
.card-green h3,.card-green h4{color:var(--white)}

/* Forms */
.form-group{margin-bottom:20px}
.form-label{display:block;font-weight:500;font-size:.9rem;color:var(--dark-text);margin-bottom:6px}
.form-label-required::after{content:' *';color:var(--error)}
.form-input,.form-select,.form-textarea{width:100%;padding:12px 16px;border:1.5px solid var(--border-color);border-radius:var(--radius-md);font-family:var(--font-body);font-size:.95rem;color:var(--dark-text);background:var(--white);transition:all var(--transition-fast);outline:none}
.form-input:focus,.form-select:focus,.form-textarea:focus{border-color:var(--primary-light);box-shadow:0 0 0 3px rgba(76,175,80,0.15)}
.form-input::placeholder{color:var(--light-gray)}
.form-textarea{resize:vertical;min-height:100px}
.form-error{font-size:.8rem;color:var(--error);margin-top:4px}
.form-hint{font-size:.8rem;color:var(--gray-text);margin-top:4px}
.form-checkbox{display:flex;align-items:flex-start;gap:10px;cursor:pointer}
.form-checkbox input[type="checkbox"]{width:18px;height:18px;accent-color:var(--primary);margin-top:2px;flex-shrink:0}

/* Badge */
.badge{display:inline-flex;align-items:center;gap:4px;padding:4px 12px;border-radius:100px;font-size:.75rem;font-weight:600}
.badge-green{background:var(--success-light);color:var(--primary)}
.badge-warning{background:var(--warning-light);color:#92400E}
.badge-error{background:var(--error-light);color:var(--error)}
.badge-gold{background:var(--gold-light);color:#92400E}
.badge-blue{background:#EFF6FF;color:#3B82F6}
.badge-gray{background:#F3F4F6;color:#6B7280}

/* Progress */
.progress-bar{width:100%;height:8px;background:var(--pale-green);border-radius:100px;overflow:hidden}
.progress-fill{height:100%;background:linear-gradient(90deg,var(--primary),var(--accent));border-radius:100px;transition:width var(--transition-slow)}

/* Stats */
.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:20px}
.stat-card{background:var(--white);border-radius:var(--radius-lg);padding:20px 24px;display:flex;align-items:center;gap:16px;box-shadow:var(--shadow-sm);border:1px solid var(--border-color);transition:all var(--transition-base)}
.stat-card:hover{box-shadow:var(--shadow-md);transform:translateY(-2px)}
.stat-icon{width:48px;height:48px;border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;font-size:1.4rem;flex-shrink:0}
.stat-icon-green{background:var(--pale-green);color:var(--primary)}
.stat-icon-orange{background:var(--warning-light);color:var(--warning)}
.stat-icon-blue{background:#EFF6FF;color:#3B82F6}
.stat-icon-gold{background:var(--gold-light);color:#B8860B}
.stat-content h4{font-family:var(--font-mono);font-size:1.5rem;font-weight:700;line-height:1.2}
.stat-content p{font-size:.8rem;color:var(--gray-text);margin-top:2px}

/* Table */
.table-wrap{overflow-x:auto;border-radius:var(--radius-lg);border:1px solid var(--border-color)}
.table{width:100%;border-collapse:collapse;font-size:.9rem}
.table th{background:var(--pale-green);padding:12px 16px;text-align:left;font-weight:600;color:var(--primary);font-size:.8rem;text-transform:uppercase;letter-spacing:.5px}
.table td{padding:12px 16px;border-top:1px solid var(--border-color)}
.table tr:hover td{background:rgba(240,247,232,0.3)}

/* Modal */
.modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,0.5);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;z-index:2000;opacity:0;visibility:hidden;transition:all var(--transition-base)}
.modal-overlay.active{opacity:1;visibility:visible}
.modal{background:var(--white);border-radius:var(--radius-xl);padding:32px;max-width:520px;width:90%;max-height:90vh;overflow-y:auto;transform:scale(0.9) translateY(20px);transition:transform var(--transition-base)}
.modal-overlay.active .modal{transform:scale(1) translateY(0)}

/* Toast */
.toast-container{position:fixed;top:90px;right:24px;z-index:3000;display:flex;flex-direction:column;gap:10px}
.toast{display:flex;align-items:center;gap:12px;padding:14px 20px;border-radius:var(--radius-md);background:var(--white);box-shadow:var(--shadow-lg);min-width:300px;animation:slideInRight .3s ease;border-left:4px solid var(--primary)}
.toast-success{border-left-color:var(--success)} .toast-error{border-left-color:var(--error)}
@keyframes slideInRight{from{transform:translateX(100%);opacity:0}to{transform:translateX(0);opacity:1}}
@keyframes fadeInUp{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}

/* Hero */
.hero{min-height:100vh;display:flex;align-items:center;padding-top:var(--header-height);background:linear-gradient(180deg,var(--cream-bg) 0%,var(--pale-green) 100%);position:relative;overflow:hidden}
.hero::before{content:'';position:absolute;top:-50%;right:-20%;width:600px;height:600px;background:radial-gradient(circle,rgba(139,195,74,0.15),transparent 70%);border-radius:var(--radius-full)}
.hero-content{position:relative;z-index:1;display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.hero-text h1{margin-bottom:20px;line-height:1.15}
.hero-text p{font-size:1.15rem;color:var(--gray-text);margin-bottom:32px;line-height:1.7}
.hero-buttons{display:flex;gap:16px;margin-bottom:48px}
.hero-stats{display:flex;gap:32px;flex-wrap:wrap}
.hero-stat{text-align:center}
.hero-stat strong{display:block;font-family:var(--font-heading);font-size:1.5rem;color:var(--primary)}
.hero-stat span{font-size:.85rem;color:var(--gray-text)}
.hero-image{position:relative;display:flex;justify-content:center}
.hero-image img{border-radius:var(--radius-xl);box-shadow:var(--shadow-xl);max-height:500px;object-fit:cover}

/* Sections */
.section{padding:80px 0}
.section-header{text-align:center;margin-bottom:48px}
.section-header h2{margin-bottom:12px}
.section-header p{color:var(--gray-text);font-size:1.05rem;max-width:600px;margin:0 auto}
.section-green{background:linear-gradient(180deg,var(--pale-green),var(--cream-bg))}

/* Features */
.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:24px}
.feature-card{background:var(--white);border-radius:var(--radius-lg);padding:32px;border:1px solid var(--border-color);transition:all var(--transition-base);position:relative;overflow:hidden}
.feature-card::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--primary),var(--accent));transform:scaleX(0);transition:transform var(--transition-base)}
.feature-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-4px)}
.feature-card:hover::before{transform:scaleX(1)}
.feature-icon{width:56px;height:56px;border-radius:var(--radius-md);background:var(--pale-green);display:flex;align-items:center;justify-content:center;font-size:1.6rem;margin-bottom:16px}
.feature-card h3{font-size:1.15rem;margin-bottom:8px}
.feature-card p{color:var(--gray-text);font-size:.9rem;line-height:1.6}

/* Steps */
.steps{display:flex;gap:40px;justify-content:center;flex-wrap:wrap}
.step{text-align:center;max-width:280px}
.step-number{width:64px;height:64px;border-radius:var(--radius-full);background:linear-gradient(135deg,var(--primary),var(--primary-light));color:var(--white);font-family:var(--font-heading);font-size:1.5rem;font-weight:700;display:flex;align-items:center;justify-content:center;margin:0 auto 16px;box-shadow:var(--shadow-green)}
.step h3{margin-bottom:8px;font-size:1.1rem}
.step p{color:var(--gray-text);font-size:.9rem}

/* Pricing */
.pricing-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:24px;max-width:1000px;margin:0 auto}
.pricing-card{background:var(--white);border-radius:var(--radius-xl);padding:36px 28px;border:2px solid var(--border-color);text-align:center;position:relative;transition:all var(--transition-base)}
.pricing-card.popular{border-color:var(--primary);box-shadow:var(--shadow-green);transform:scale(1.05)}
.pricing-card.popular::before{content:'En Popüler';position:absolute;top:-14px;left:50%;transform:translateX(-50%);background:linear-gradient(135deg,var(--primary),var(--accent));color:var(--white);padding:4px 20px;border-radius:100px;font-size:.8rem;font-weight:600}
.pricing-card h3{font-size:1.3rem;margin-bottom:8px}
.pricing-price{font-family:var(--font-heading);font-size:2.8rem;font-weight:800;color:var(--primary);line-height:1.1}
.pricing-price span{font-size:1rem;font-weight:400;color:var(--gray-text)}
.pricing-features{list-style:none;margin:24px 0;text-align:left}
.pricing-features li{padding:8px 0;font-size:.9rem;display:flex;align-items:center;gap:10px;color:var(--dark-text)}
.pricing-features li::before{content:'✓';color:var(--primary);font-weight:700;flex-shrink:0}
.pricing-features li.disabled{color:var(--light-gray);text-decoration:line-through}
.pricing-features li.disabled::before{content:'✗';color:var(--light-gray)}

/* Testimonials */
.testimonials-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:24px}
.testimonial-card{background:var(--white);border-radius:var(--radius-lg);padding:28px;border:1px solid var(--border-color)}
.testimonial-stars{color:var(--gold);font-size:1.1rem;margin-bottom:12px}
.testimonial-text{font-size:.95rem;color:var(--dark-text);line-height:1.6;margin-bottom:16px;font-style:italic}
.testimonial-author{font-size:.85rem;color:var(--gray-text)}
.testimonial-author strong{color:var(--dark-text)}

/* FAQ */
.faq-list{max-width:700px;margin:0 auto}
.faq-item{border:1px solid var(--border-color);border-radius:var(--radius-md);margin-bottom:12px;overflow:hidden;background:var(--white)}
.faq-question{width:100%;padding:18px 24px;background:none;border:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;font-family:var(--font-body);font-weight:600;font-size:.95rem;color:var(--dark-text);text-align:left;transition:background var(--transition-fast)}
.faq-question:hover{background:var(--pale-green)}
.faq-question .faq-icon{font-size:1.2rem;transition:transform var(--transition-base);flex-shrink:0}
.faq-item.active .faq-icon{transform:rotate(45deg)}
.faq-answer{max-height:0;overflow:hidden;transition:max-height var(--transition-slow)}
.faq-answer-inner{padding:0 24px 18px;font-size:.9rem;color:var(--gray-text);line-height:1.7}

/* Footer */
.footer{background:var(--dark-text);color:rgba(255,255,255,0.7);padding:60px 0 24px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;margin-bottom:40px}
.footer-brand h3{color:var(--white);font-size:1.3rem;margin-bottom:12px}
.footer-brand p{font-size:.9rem;line-height:1.7;max-width:280px}
.footer-col h4{color:var(--white);font-size:.95rem;margin-bottom:16px}
.footer-links{list-style:none}
.footer-links li{margin-bottom:10px}
.footer-links a{color:rgba(255,255,255,0.6);font-size:.9rem;transition:color var(--transition-fast)}
.footer-links a:hover{color:var(--accent)}
.footer-bottom{border-top:1px solid rgba(255,255,255,0.1);padding-top:24px;text-align:center;font-size:.8rem}
.footer-warning{margin-top:12px;padding:12px 20px;background:rgba(245,158,11,0.1);border-radius:var(--radius-sm);font-size:.8rem;color:var(--warning);text-align:center}

/* ================================================================
   SIDEBAR LAYOUT
   ================================================================ */
.sidebar-layout{display:flex;min-height:100vh}
.sidebar-layout .page-content{flex:1;margin-left:260px;padding:24px 32px;min-height:100vh;background:var(--cream-bg);transition:margin-left var(--transition-base)}

/* Sidebar */
.sidebar{width:260px;background:#1B4332;position:fixed;top:0;bottom:0;left:0;overflow-y:auto;z-index:1000;display:flex;flex-direction:column;transition:width var(--transition-base),transform var(--transition-base)}
.sidebar-inner{display:flex;flex-direction:column;height:100%;padding:0}

.sidebar-logo{display:flex;align-items:center;gap:12px;padding:20px 24px;border-bottom:1px solid rgba(255,255,255,0.1)}
.sidebar-logo-icon{font-size:1.6rem}
.sidebar-logo-text{font-family:var(--font-heading);font-weight:700;font-size:1.15rem;color:#fff;white-space:nowrap;overflow:hidden}

.sidebar-nav{flex:1;padding:12px 0;display:flex;flex-direction:column;gap:2px}
.sidebar-link{display:flex;align-items:center;gap:14px;padding:11px 24px;color:rgba(255,255,255,0.7);font-weight:500;font-size:.9rem;text-decoration:none;border-radius:0;transition:all var(--transition-fast);white-space:nowrap;overflow:hidden}
.sidebar-link:hover{background:#2D6A4F;color:#fff}
.sidebar-link.active{background:#2D6A4F;color:#fff;border-right:3px solid var(--accent)}
.sidebar-icon{font-size:1.2rem;width:24px;text-align:center;flex-shrink:0}
.sidebar-label{overflow:hidden;text-overflow:ellipsis}
.sidebar-link-danger{color:rgba(255,255,255,0.5)}
.sidebar-link-danger:hover{background:rgba(239,68,68,0.15);color:#EF4444}

.sidebar-bottom{margin-top:auto;padding-bottom:12px}
.sidebar-divider{height:1px;background:rgba(255,255,255,0.1);margin:8px 16px}

.sidebar-level{padding:12px 20px}
.sidebar-level-info{display:flex;justify-content:space-between;align-items:center;margin-bottom:6px;overflow:hidden}
.sidebar-level-badge{background:var(--gold);color:#1a1a2e;font-size:.7rem;font-weight:700;padding:2px 8px;border-radius:100px}
.sidebar-level-xp{font-size:.7rem;color:rgba(255,255,255,0.5);white-space:nowrap}
.sidebar-level-bar{height:4px;background:rgba(255,255,255,0.15);border-radius:100px;overflow:hidden}
.sidebar-level-fill{height:100%;background:linear-gradient(90deg,var(--accent),var(--gold));border-radius:100px;transition:width var(--transition-slow)}

/* Hamburger (mobil) */
.sidebar-hamburger{display:none;position:fixed;top:16px;left:16px;z-index:1100;width:44px;height:44px;background:#1B4332;border:none;border-radius:var(--radius-md);cursor:pointer;flex-direction:column;align-items:center;justify-content:center;gap:5px;box-shadow:var(--shadow-md)}
.sidebar-hamburger span{display:block;width:20px;height:2px;background:#fff;border-radius:2px;transition:var(--transition-base)}
.sidebar-hamburger.active span:nth-child(1){transform:rotate(45deg) translateY(5px)}
.sidebar-hamburger.active span:nth-child(2){opacity:0}
.sidebar-hamburger.active span:nth-child(3){transform:rotate(-45deg) translateY(-5px)}

.sidebar-overlay{display:none;position:fixed;inset:0;background:rgba(0,0,0,0.5);z-index:999;opacity:0;transition:opacity var(--transition-base)}
.sidebar-overlay.active{display:block;opacity:1}

/* Auth */
.auth-page{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px;background:linear-gradient(135deg,var(--cream-bg),var(--pale-green))}
.auth-card{background:var(--white);border-radius:var(--radius-xl);padding:48px 40px;width:100%;max-width:440px;box-shadow:var(--shadow-lg)}
.auth-header{text-align:center;margin-bottom:32px}
.auth-header .logo{font-size:2.5rem;margin-bottom:12px}
.auth-header h1{font-size:1.5rem;margin-bottom:8px}
.auth-header p{color:var(--gray-text);font-size:.9rem}

/* Wizard */
.wizard-container{max-width:600px;margin:0 auto;padding-top:40px}
.wizard-progress{display:flex;justify-content:center;gap:8px;margin-bottom:40px}
.wizard-step-indicator{width:10px;height:10px;border-radius:var(--radius-full);background:var(--border-color);transition:all var(--transition-base)}
.wizard-step-indicator.active{width:32px;background:var(--primary)}
.wizard-step-indicator.completed{background:var(--accent)}
.wizard-step{display:none;animation:fadeInUp .3s ease}
.wizard-step.active{display:block}
.wizard-actions{display:flex;justify-content:space-between;margin-top:32px}

/* Meal Detail Cards (programs detay) */
.meal-detail-card{border-radius:12px;background:var(--white);border:1px solid var(--border-color);padding:16px;margin-bottom:12px}
.macro-dot{width:8px;height:8px;border-radius:50%;display:inline-block;margin-right:4px}

/* Achievements */
.achievement-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:16px}
.achievement-card{text-align:center;padding:24px 16px;border-radius:var(--radius-lg);border:1px solid var(--border-color);background:var(--white);transition:all var(--transition-base)}
.achievement-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.achievement-card.locked{opacity:.6;filter:grayscale(1);background:#f5f5f5;border:2px solid #e0e0e0;}
.achievement-card.locked .achievement-icon{filter:grayscale(100%)}
.achievement-card.earned{background:#f0f7e8;border:2px solid #4CAF50;opacity:1;filter:none;}
.achievement-icon{font-size:2.5rem;margin-bottom:8px}
.achievement-card h4{font-size:.85rem;margin-bottom:4px}
.achievement-card p{font-size:.75rem;color:var(--gray-text)}

/* Water Tracker */
.water-tracker{display:flex;gap:8px;align-items:center}
.water-glass{width:28px;height:28px;border-radius:var(--radius-sm);border:2px solid var(--border-color);cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:.8rem;transition:all var(--transition-fast);background:none}
.water-glass.filled{background:#3B82F6;border-color:#3B82F6;color:var(--white)}

/* ================================================================
   FULL PAGE CHAT
   ================================================================ */
.chat-container{display:flex;flex-direction:column;height:calc(100vh - 48px);background:var(--white);border-radius:var(--radius-lg);border:1px solid var(--border-color);overflow:hidden}
.chat-header{background:linear-gradient(135deg,var(--primary),var(--primary-light));color:#fff;padding:16px 24px;display:flex;align-items:center;gap:12px;flex-shrink:0}
.chat-header-avatar{width:40px;height:40px;border-radius:var(--radius-full);background:rgba(255,255,255,0.2);display:flex;align-items:center;justify-content:center;font-size:1.3rem}
.chat-header h3{color:#fff;font-size:1rem;font-weight:600}
.chat-header p{font-size:.75rem;opacity:.8}
.chat-messages{flex:1;overflow-y:auto;padding:20px 24px;display:flex;flex-direction:column;gap:12px;background:var(--cream-bg)}
.chat-bubble{max-width:75%;padding:14px 18px;border-radius:16px;font-size:.9rem;line-height:1.6;animation:fadeInUp .3s ease;white-space:pre-line}
.chat-bubble-user{background:linear-gradient(135deg,var(--primary),var(--primary-light));color:#fff;align-self:flex-end;border-bottom-right-radius:4px}
.chat-bubble-ai{background:var(--white);color:var(--dark-text);align-self:flex-start;border-bottom-left-radius:4px;box-shadow:var(--shadow-sm);border:1px solid var(--border-color)}
.chat-input-bar{display:flex;gap:8px;padding:16px 20px;border-top:1px solid var(--border-color);background:var(--white);flex-shrink:0;align-items:center}
.chat-input-bar input[type="text"]{flex:1;border:1.5px solid var(--border-color);border-radius:100px;padding:12px 20px;font-family:var(--font-body);font-size:.9rem;outline:none;transition:border-color var(--transition-fast)}
.chat-input-bar input[type="text"]:focus{border-color:var(--primary-light)}
.chat-input-bar button{width:44px;height:44px;border-radius:var(--radius-full);border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all var(--transition-fast);flex-shrink:0}
.chat-btn-send{background:var(--primary);color:#fff}
.chat-btn-send:hover{background:var(--primary-dark)}
.chat-btn-photo{background:var(--pale-green);color:var(--primary)}
.chat-btn-photo:hover{background:var(--accent);color:#fff}
.typing-dots{display:flex;gap:4px;padding:14px 18px;align-self:flex-start}
.typing-dots span{width:8px;height:8px;border-radius:50%;background:var(--light-gray);animation:typing 1.4s infinite}
.typing-dots span:nth-child(2){animation-delay:.2s}
.typing-dots span:nth-child(3){animation-delay:.4s}
@keyframes typing{0%,60%,100%{transform:translateY(0);opacity:.4}30%{transform:translateY(-6px);opacity:1}}

/* ================================================================
   MEAL ANALYSIS PAGE
   ================================================================ */
.upload-zone{text-align:center;padding:48px 24px;border:2px dashed var(--border-color);border-radius:var(--radius-lg);cursor:pointer;transition:all .2s;background:var(--white)}
.upload-zone:hover,.upload-zone.dragover{border-color:var(--primary);background:var(--pale-green)}
.analysis-result{background:var(--white);border-radius:var(--radius-lg);border:1px solid var(--border-color);padding:24px;margin-top:24px}

/* Utilities */
.hidden{display:none!important} .flex{display:flex} .flex-col{flex-direction:column}
.flex-1{flex:1} .flex-wrap{flex-wrap:wrap}
.gap-sm{gap:8px} .gap-md{gap:16px} .gap-lg{gap:24px}
.items-center{align-items:center} .items-start{align-items:flex-start}
.justify-between{justify-content:space-between} .justify-center{justify-content:center}
.w-full{width:100%} .mt-sm{margin-top:8px} .mt-md{margin-top:16px} .mt-lg{margin-top:24px}
.mb-xs{margin-bottom:4px} .mb-sm{margin-bottom:8px} .mb-md{margin-bottom:16px} .mb-lg{margin-bottom:24px}
.text-center{text-align:center} .block{display:block}
.font-mono{font-family:var(--font-mono)}

/* Spinner */
.spinner{width:32px;height:32px;border:3px solid var(--pale-green);border-top-color:var(--primary);border-radius:var(--radius-full);animation:spin .7s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}

/* ================================================================
   RESPONSIVE — Landing Page
   ================================================================ */
@media(max-width:1024px){
    .hero-content{grid-template-columns:1fr;text-align:center}
    .hero-buttons{justify-content:center} .hero-stats{justify-content:center}
    .hero-image{order:-1} .footer-grid{grid-template-columns:1fr 1fr}
}

/* ================================================================
   RESPONSIVE — Tablet (768–1023): Sidebar daraltılmış (sadece ikonlar)
   ================================================================ */
@media(min-width:768px) and (max-width:1023px){
    .sidebar{width:80px}
    .sidebar-logo-text,.sidebar-label,.sidebar-level-xp{display:none}
    .sidebar-logo{padding:20px 0;justify-content:center}
    .sidebar-link{justify-content:center;padding:14px 0}
    .sidebar-icon{width:auto;font-size:1.3rem}
    .sidebar-level-info{justify-content:center}
    .sidebar-level{padding:12px 10px}
    .sidebar-layout .page-content{margin-left:80px}
}

/* ================================================================
   RESPONSIVE — Mobil (<768): Sidebar gizli, hamburger overlay
   ================================================================ */
@media(max-width:767px){
    .sidebar-hamburger{display:flex}
    .sidebar{transform:translateX(-100%)}
    .sidebar.open{transform:translateX(0)}
    .sidebar-layout .page-content{margin-left:0;padding:16px;padding-top:72px}
    .stats-grid{grid-template-columns:1fr 1fr}
    .features-grid,.pricing-grid{grid-template-columns:1fr}
    .pricing-card.popular{transform:none}
    .footer-grid{grid-template-columns:1fr}
    .steps{flex-direction:column;align-items:center}
    .auth-card{padding:32px 24px}
    .chat-container{height:calc(100vh - 80px);border-radius:0;border:none}
    .chat-bubble{max-width:90%}
    .achievement-grid{grid-template-columns:repeat(auto-fill,minmax(140px,1fr))}
    /* Inline grid'leri mobilde tek sütun yap */
    [style*="grid-template-columns: 1fr 1fr"],[style*="grid-template-columns:1fr 1fr"],
    [style*="grid-template-columns: 1fr 320px"],[style*="grid-template-columns:1fr 320px"],
    [style*="grid-template-columns: 1fr 1fr 1fr"],[style*="grid-template-columns:1fr 1fr 1fr"]{grid-template-columns:1fr!important}
    .table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch}
    /* Landing page navbar mobile - replaced below */
}

/* ===== GLOBAL MOBİL DÜZELTMELER ===== */
html, body { overflow-x: hidden; width: 100%; }
img, video, iframe, svg { max-width: 100%; height: auto; }

/* ===== MOBİL MENÜ — max-width: 768px ===== */
@media (max-width: 768px) {
    .navbar { padding: 12px 16px; }
    .navbar .logo { font-size: 18px; }

    .nav-menu, .navbar-links {
        position: fixed;
        top: 0;
        right: -300px;
        width: 280px;
        height: 100vh;
        background: #ffffff;
        flex-direction: column;
        padding: 80px 24px 32px;
        box-shadow: -4px 0 24px rgba(0,0,0,0.15);
        transition: right 0.3s ease;
        z-index: 9999;
        gap: 0;
        display: flex;
    }
    
    .nav-menu.active, .navbar-links.active {
        right: 0;
    }
    
    .nav-menu a, .navbar-links a {
        display: block;
        padding: 16px 0;
        font-size: 16px;
        color: #1a1a2e;
        text-decoration: none;
        border-bottom: 1px solid #f0f0f0;
    }
    
    .nav-menu a:last-child, .navbar-links a:last-child {
        border-bottom: none;
    }
    
    .nav-menu .btn,
    .nav-menu .btn-primary,
    .navbar-links .btn,
    .navbar-links .btn-primary {
        display: block;
        text-align: center;
        margin-top: 12px;
        padding: 12px 20px;
        border-radius: 8px;
    }
    
    .hamburger, .navbar-toggle {
        display: flex;
        z-index: 10000;
        position: relative;
    }
}

.btn-pdf {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    padding: 8px 16px;
    background: #DC2626;
    color: white;
    border-radius: 8px;
    text-decoration: none;
    font-size: 13px;
    font-weight: 600;
    transition: background 0.2s;
}
.btn-pdf:hover {
    background: #B91C1C;
    color: white;
}

/* ===== HERO MOBİL ===== */
@media (max-width: 768px) {
    .hero { flex-direction: column; padding: 40px 16px; text-align: center; min-height: auto; }
    .hero h1 { font-size: 28px; line-height: 1.3; word-wrap: break-word; }
    .hero p { font-size: 15px; padding: 0 8px; }
    .hero .buttons, .hero-buttons { flex-direction: column; gap: 12px; width: 100%; }
    .hero .buttons a, .hero .buttons button, .hero-buttons a { width: 100%; text-align: center; }
    .hero img, .hero-image { max-width: 100%; margin-top: 24px; }
    .hero-stats{flex-direction:column;gap:16px}
}

/* ===== DİĞER BÖLÜMLER MOBİL ===== */
@media (max-width: 768px) {
    .features-grid, .feature-cards { grid-template-columns: 1fr; gap: 16px; padding: 0 16px; }
    .steps-container, .steps { flex-direction: column; gap: 24px; align-items:center;}
    .step { text-align: center; }
    .pricing-cards, .pricing-grid { grid-template-columns: 1fr; gap: 16px; padding: 0 16px; }
    .pricing-card { max-width: 100%; }
    .testimonials-grid { grid-template-columns: 1fr; }
    .faq-container { padding: 0 16px; }
    .footer-grid { grid-template-columns: 1fr; text-align: center; gap: 24px; }
    section, .section { padding: 40px 16px; }
    section h2, .section h2 { font-size: 24px; }
    section p, .section p { font-size: 15px; }
}

@media(max-width:480px){
    h1{font-size:1.8rem} h2{font-size:1.4rem}
}

/* ================================================================
   DASHBOARD / SIDEBAR MOBİL DÜZELTMELER
   ================================================================ */
@media (max-width: 768px) {
    .dashboard-content { padding: 12px; }
    /* İstatistik kartları: 2x2 grid */
    .stats-grid, .new-stats-grid { grid-template-columns: 1fr 1fr; gap: 10px; }
    .stat-card, .n-stat-card { padding: 12px; flex-direction:column;}
    .stat-card .value, .n-stat-info .value { font-size: 20px; }
    
    /* Su + Grafik: tek sütun */
    .dashboard-row, .dashboard-two-col { grid-template-columns: 1fr; gap: 16px;}
    
    /* Grafik küçült */
    .chart-container, .weight-chart, .chart-wrapper canvas { max-height: 150px; }
    
    /* Hızlı erişim: 2x2 */
    .quick-actions, .quick-actions-row { grid-template-columns: 1fr 1fr; gap: 10px; }
    .quick-action-btn, .qa-btn { font-size: 13px; padding: 12px 8px; }
    
    /* Sidebar overlay menu */
    .sidebar { transform: translateX(-100%); position: fixed; z-index: 1000; transition: transform 0.3s ease; height:100vh; overflow-y:auto;}
    .sidebar.open { transform: translateX(0); }
    
    .sidebar-layout { flex-direction: column; }
    .page-content, .main-content { margin-left: 0 !important; width: 100%; padding: 12px; padding-top: 16px; }
    
    .mobile-header { display: flex; align-items: center; padding: 12px 16px; background: #1B4332; color: white; position: sticky; top: 0; z-index: 999; width: 100%; }
    .mobile-header .hamburger-btn { background: none; border: none; color: white; font-size: 24px; cursor: pointer; margin-right: 12px; }
}
@media (min-width: 769px) { .mobile-header { display: none; } }

::-webkit-scrollbar{width:6px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:var(--border-color);border-radius:3px}
::-webkit-scrollbar-thumb:hover{background:var(--gray-text)}
::selection{background:rgba(45,106,46,0.15);color:var(--primary-dark)}

/* Dashboard kartlar mobil */
@media (max-width: 768px) {
    .stats-grid {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 10px;
    }
    
    .dashboard-row,
    .two-col-grid,
    .dashboard-two-col {
        display: grid;
        grid-template-columns: 1fr;
        gap: 16px;
    }
    
    .chart-container canvas {
        max-height: 150px !important;
    }
    
    .quick-actions {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 10px;
    }
}

/* Programs mobil */
@media (max-width: 768px) {
    .program-card {
        padding: 16px;
    }
    
    .program-header {
        flex-direction: column;
        gap: 8px;
    }
    
    .meal-card {
        flex-direction: column;
    }
    
    .meal-calories {
        align-self: flex-start;
        margin-top: 8px;
    }
}

/* ================================================================
   LANDING PAGE — Hamburger Menü
   ================================================================ */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    z-index: 10001;
}

.hamburger span {
    display: block;
    width: 24px;
    height: 2px;
    background: #1a1a2e;
    border-radius: 2px;
    transition: all 0.3s;
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}
.hamburger.active span:nth-child(2) {
    opacity: 0;
}
.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

.nav-overlay {
    display: none;
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: rgba(0,0,0,0.5);
    z-index: 9998;
}
.nav-overlay.active { display: block; }

.nav-menu {
    display: flex;
    align-items: center;
    gap: 24px;
    list-style: none;
}

.nav-menu a:not(.btn) {
    font-weight: 500;
    font-size: .95rem;
    color: var(--gray-text);
    transition: color var(--transition-fast);
    text-decoration: none;
}

.nav-menu a:not(.btn):hover {
    color: var(--primary);
}

@media (max-width: 768px) {
    .hamburger { display: flex; }
    
    .nav-menu {
        position: fixed;
        top: 0;
        right: -300px;
        width: 280px;
        height: 100vh;
        background: #fff;
        flex-direction: column;
        padding: 80px 24px 32px;
        box-shadow: -4px 0 24px rgba(0,0,0,0.15);
        transition: right 0.3s ease;
        z-index: 9999;
        display: flex;
        align-items: flex-start;
        gap: 0;
    }
    
    .nav-menu.active { right: 0; }
    
    .nav-menu a {
        display: block;
        padding: 14px 0;
        font-size: 16px;
        color: #1a1a2e;
        border-bottom: 1px solid #f0f0f0;
        text-decoration: none;
        width: 100%;
    }
    
    .nav-menu a:last-child {
        border-bottom: none;
    }
    
    .nav-menu .btn {
        display: block;
        text-align: center;
        margin-top: 12px;
        padding: 12px 20px;
        border-radius: 8px;
        width: 100%;
    }
}