/* =================================================================
   GANO-DANO | dogukanparlak.com design language
   Dark-first glassmorphism on pure black
   ================================================================= */

:root {
    --color-background: #000000;
    --glass-subtle: rgba(255, 255, 255, 0.04);
    --glass-medium: rgba(255, 255, 255, 0.08);
    --glass-strong: rgba(255, 255, 255, 0.12);
    --glass-border: rgba(255, 255, 255, 0.1);
    --glass-border-hover: rgba(255, 255, 255, 0.2);
    --text-primary: rgba(255, 255, 255, 0.95);
    --text-secondary: rgba(255, 255, 255, 0.7);
    --text-tertiary: rgba(255, 255, 255, 0.5);
    --glow-primary: rgba(255, 255, 255, 0.1);
    --glow-hover: rgba(255, 255, 255, 0.15);
    --shadow-medium: 0 8px 32px rgba(0, 0, 0, 0.2);
    --shadow-strong: 0 16px 64px rgba(0, 0, 0, 0.3);
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 250ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);
    --accent-tekrar: #fb923c;
    --status-success: #34d399;
    --status-warning: #fbbf24;
    --status-orange: #fb923c;
    --status-danger: #f87171;
}

[data-theme="light"] {
    color-scheme: light;
    --color-background: #ffffff;
    --glass-medium: rgba(0, 0, 0, 0.06);
    --glass-strong: rgba(0, 0, 0, 0.08);
    --glass-border: rgba(0, 0, 0, 0.08);
    --glass-border-hover: rgba(0, 0, 0, 0.15);
    --text-primary: rgba(0, 0, 0, 0.9);
    --text-secondary: rgba(0, 0, 0, 0.7);
    --text-tertiary: rgba(0, 0, 0, 0.5);
    --glow-primary: rgba(0, 0, 0, 0.05);
    --glow-hover: rgba(0, 0, 0, 0.08);
    --shadow-medium: 0 8px 32px rgba(0, 0, 0, 0.1);
    --shadow-strong: 0 16px 64px rgba(0, 0, 0, 0.15);
}

/* Noise texture */
body::before {
    content: '';
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 0;
    opacity: 0.03;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='200' height='200' filter='url(%23noise)' opacity='1'/%3E%3C/svg%3E");
    background-repeat: repeat;
    background-size: 200px 200px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    color-scheme: dark;
}

body {
    font-family: var(--font-primary);
    color: var(--text-primary);
    background: var(--color-background);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
    transition: background-color var(--transition-normal);
}

body.menu-open { overflow: hidden; }

/* ===== LAYOUT ===== */
.container {
    max-width: 960px;
    margin: 0 auto;
    padding: 0 var(--space-md);
}

.page-wrap {
    position: relative;
    z-index: 1;
    flex: 1;
    padding-top: calc(var(--space-3xl) + var(--space-md));
    padding-bottom: var(--space-2xl);
}

.text-center { text-align: center; }
.hidden { display: none !important; }

/* ===== HERO ===== */
.hero {
    position: relative;
    text-align: center;
    overflow: hidden;
}

.hero--compact {
    padding: var(--space-xl) 0 var(--space-lg);
}

.hero-blob {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    pointer-events: none;
    z-index: 0;
    opacity: 0.45;
}

.hero-blob-1 {
    width: 420px;
    height: 420px;
    background: radial-gradient(circle, rgba(99, 70, 220, 0.14), transparent 70%);
    top: -180px;
    left: -120px;
}

.hero-blob-2 {
    width: 340px;
    height: 340px;
    background: radial-gradient(circle, rgba(20, 160, 190, 0.1), transparent 70%);
    bottom: -80px;
    right: -80px;
}

.hero-content {
    position: relative;
    z-index: 1;
}

.hero h1 {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--space-sm);
    background: linear-gradient(135deg, var(--text-primary), var(--text-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.subtitle {
    font-size: 1.05rem;
    color: var(--text-secondary);
    max-width: 640px;
    margin: 0 auto;
}

/* ===== GLASS / CARDS ===== */
.glass {
    background: var(--glass-medium);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}

.glass-panel {
    background: var(--glass-medium);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-medium);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}

.glass-section {
    background: var(--glass-subtle);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    padding: var(--space-lg);
    margin-bottom: var(--space-lg);
}

.glass-row {
    background: var(--glass-subtle);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    padding: var(--space-md);
    margin-bottom: var(--space-sm);
}

.section-title {
    color: var(--text-primary);
    font-weight: var(--font-weight-semibold);
    font-size: 1.1rem;
    margin-bottom: var(--space-md);
    text-align: center;
}

.field-label {
    display: block;
    font-size: 0.875rem;
    font-weight: var(--font-weight-semibold);
    color: var(--text-secondary);
    margin-bottom: var(--space-xs);
}

.glass-input,
.glass-select {
    width: 100%;
    padding: 0.625rem 0.75rem;
    background: var(--glass-subtle);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.9375rem;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
    color-scheme: inherit;
}

.glass-select option,
.glass-select optgroup {
    background: #141414;
    color: rgba(255, 255, 255, 0.95);
}

[data-theme="light"] .glass-select option,
[data-theme="light"] .glass-select optgroup {
    background: #ffffff;
    color: rgba(0, 0, 0, 0.9);
}

.glass-input:focus,
.glass-select:focus {
    outline: none;
    border-color: var(--glass-border-hover);
    box-shadow: 0 0 0 3px var(--glow-primary);
}

.glass-input::placeholder { color: var(--text-tertiary); }

/* ===== GRIDS ===== */
.grid-3 {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-md);
    align-items: end;
}

.grid-actions {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-md);
}

.grid-results {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-lg);
}

.grid-12 {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-sm);
    align-items: center;
}

@media (min-width: 640px) {
    .grid-3 { grid-template-columns: repeat(3, 1fr); }
    .grid-actions { grid-template-columns: repeat(3, 1fr); }
    .grid-results { grid-template-columns: repeat(2, 1fr); }
    .grid-12 { grid-template-columns: repeat(12, 1fr); }
    .col-4 { grid-column: span 4; }
    .col-2 { grid-column: span 2; }
    .col-3 { grid-column: span 3; }
    .col-1 { grid-column: span 1; }
    .col-start-5 { grid-column: 5 / span 4; }
}

@media (min-width: 1024px) {
    .grid-results { grid-template-columns: repeat(4, 1fr); }
}

.flex-row {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-md);
    align-items: center;
}

.field-mobile-label {
    font-size: 0.75rem;
    color: var(--text-tertiary);
    margin-bottom: 0.15rem;
}

@media (min-width: 640px) {
    .field-mobile-label { display: none; }
}

.tekrar-row {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.tekrar-checkbox {
    width: 1rem;
    height: 1rem;
    accent-color: var(--text-secondary);
}

.tekrar-label {
    font-size: 0.875rem;
    color: var(--accent-tekrar);
    cursor: pointer;
    user-select: none;
}

.tekrar-select {
    border-color: rgba(251, 146, 60, 0.35);
}

#ders-listesi {
    margin-bottom: var(--space-lg);
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-xs);
    width: 100%;
    padding: var(--space-md) var(--space-xl);
    background: var(--glass-medium);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.9375rem;
    font-weight: var(--font-weight-medium);
    cursor: pointer;
    transition: all var(--transition-fast);
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--glow-primary), transparent);
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.btn:hover {
    transform: translateY(-2px) scale(1.02);
    background: var(--glass-strong);
    border-color: var(--glass-border-hover);
    box-shadow: var(--shadow-medium);
}

.btn:hover::before { opacity: 1; }

.btn-accent {
    border-color: rgba(255, 255, 255, 0.18);
    font-weight: var(--font-weight-semibold);
}

.btn-sm-danger {
    padding: 0.5rem;
    font-size: 0.875rem;
    color: var(--status-danger);
    border-color: rgba(248, 113, 113, 0.25);
    background: rgba(248, 113, 113, 0.08);
}

.btn-sm-danger:hover {
    background: rgba(248, 113, 113, 0.15);
    border-color: rgba(248, 113, 113, 0.35);
}

/* ===== RESULTS ===== */
.result-card {
    background: var(--glass-medium);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    text-align: center;
}

.result-label {
    font-size: 0.75rem;
    font-weight: var(--font-weight-semibold);
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-bottom: var(--space-sm);
}

.result-value {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: var(--font-weight-bold);
    color: var(--text-primary);
}

.durum-baslik {
    font-size: 0.75rem;
    font-weight: var(--font-weight-semibold);
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-bottom: var(--space-sm);
}

.durum-metin {
    font-size: 1.5rem;
    font-weight: var(--font-weight-bold);
}

.durum-success { border-color: rgba(52, 211, 153, 0.35); }
.durum-success .durum-metin { color: var(--status-success); }

.durum-warning { border-color: rgba(251, 191, 36, 0.35); }
.durum-warning .durum-metin { color: var(--status-warning); }

.durum-orange { border-color: rgba(251, 146, 60, 0.35); }
.durum-orange .durum-metin { color: var(--status-orange); }

.durum-danger { border-color: rgba(248, 113, 113, 0.35); }
.durum-danger .durum-metin { color: var(--status-danger); }

.sonuc-animasyon {
    transition: all 0.5s ease-in-out;
    max-height: 0;
    opacity: 0;
    overflow: hidden;
}

.sonuc-animasyon.goster {
    max-height: 3000px;
    opacity: 1;
}

.detail-list {
    list-style: none;
    font-family: ui-monospace, 'Cascadia Code', monospace;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.detail-list li + li { margin-top: var(--space-xs); }

.detail-divider {
    padding-top: var(--space-sm);
    margin-top: var(--space-sm);
    border-top: 1px solid var(--glass-border);
}

.detail-accent { color: var(--accent-tekrar); }
.detail-info { color: var(--text-secondary); }

code {
    background: var(--glass-subtle);
    color: var(--text-secondary);
    padding: 0.1rem 0.35rem;
    border-radius: 4px;
    font-size: 0.8rem;
}

.hint-text {
    font-size: 0.75rem;
    color: var(--text-tertiary);
    margin-top: var(--space-sm);
    text-align: center;
}

.example-downloads {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: var(--space-xs) var(--space-sm);
    margin-top: var(--space-md);
}

.example-downloads span {
    color: var(--text-tertiary);
    font-size: 0.8125rem;
}

.example-link {
    display: inline-flex;
    align-items: center;
    padding: 0.35rem 0.65rem;
    background: var(--glass-subtle);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-size: 0.8125rem;
    font-family: ui-monospace, 'Cascadia Code', monospace;
    text-decoration: none;
    transition: all var(--transition-fast);
}

.example-link:hover {
    color: var(--text-primary);
    background: var(--glass-medium);
    border-color: var(--glass-border-hover);
    transform: translateY(-1px);
}

.file-name {
    font-size: 0.875rem;
    color: var(--text-tertiary);
}

/* ===== NAVBAR ===== */
nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: var(--space-md);
    background: rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
}

[data-theme="light"] nav {
    background: rgba(255, 255, 255, 0.6);
}

nav > div {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--glass-medium);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: var(--space-md) var(--space-lg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: var(--shadow-medium);
}

.nav-brand {
    font-size: 1.15rem;
    font-weight: var(--font-weight-bold);
    color: var(--text-primary);
    text-decoration: none;
    background: linear-gradient(135deg, var(--text-primary), var(--text-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    transition: transform var(--transition-fast);
    flex-shrink: 0;
}

.nav-brand:hover { transform: scale(1.05); }

nav > div > div:first-of-type {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    flex-wrap: wrap;
}

nav a {
    display: inline-flex;
    align-items: center;
    padding: var(--space-sm) var(--space-md);
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: var(--font-weight-medium);
    font-size: 0.9rem;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    position: relative;
    overflow: hidden;
}

nav > div > div:first-of-type > a:hover {
    color: var(--text-primary);
    background: var(--glass-medium);
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

nav > div > div:first-of-type > a::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--glow-primary), transparent);
    opacity: 0;
    transition: opacity var(--transition-fast);
    border-radius: inherit;
}

nav > div > div:first-of-type > a:hover::before { opacity: 1; }

nav a.active {
    color: var(--text-primary);
    background: var(--glass-strong);
    border: 1px solid var(--glass-border-hover);
}

.navbar-social {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-left: var(--space-md);
    padding-left: var(--space-md);
    border-left: 1px solid var(--glass-border);
}

.navbar-social a {
    width: 36px;
    height: 36px;
    padding: 0;
    justify-content: center;
    color: var(--text-tertiary);
}

.navbar-social a:hover {
    color: var(--text-primary);
    background: var(--glass-strong);
    transform: translateY(-2px) scale(1.1);
}

.navbar-social a svg {
    width: 18px;
    height: 18px;
}

.theme-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    background: var(--glass-medium);
    border: 1px solid var(--glass-border);
    cursor: pointer;
    transition: all var(--transition-fast);
    margin-left: var(--space-sm);
    padding: 0;
}

.theme-toggle:hover {
    color: var(--text-primary);
    background: var(--glass-strong);
    border-color: var(--glass-border-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

.theme-toggle svg {
    width: 18px;
    height: 18px;
    transition: transform var(--transition-normal);
}

.theme-toggle:hover svg { transform: rotate(180deg); }

.theme-toggle .sun-icon { display: none; }
.theme-toggle .moon-icon { display: block; }

[data-theme="light"] .theme-toggle .sun-icon { display: block; }
[data-theme="light"] .theme-toggle .moon-icon { display: none; }

.lang-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 36px;
    height: 36px;
    padding: 0 var(--space-xs);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    background: var(--glass-medium);
    border: 1px solid var(--glass-border);
    text-decoration: none;
    font-size: 0.7rem;
    font-weight: var(--font-weight-semibold);
    letter-spacing: 0.06em;
    transition: all var(--transition-fast);
    margin-left: var(--space-sm);
}

.lang-toggle:hover {
    color: var(--text-primary);
    background: var(--glass-strong);
    border-color: var(--glass-border-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

.mobile-menu-toggle {
    display: none;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 5px;
    width: 44px;
    height: 44px;
    border-radius: var(--radius-md);
    background: var(--glass-medium);
    border: 1px solid var(--glass-border);
    cursor: pointer;
    transition: all var(--transition-fast);
    padding: 0;
}

.mobile-menu-toggle:hover {
    background: var(--glass-strong);
    border-color: var(--glass-border-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

.mobile-menu-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: transform var(--transition-normal), opacity var(--transition-fast);
}

.mobile-menu-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.mobile-menu-toggle.active span:nth-child(2) { opacity: 0; }
.mobile-menu-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-menu {
    position: fixed;
    inset: 0;
    z-index: 1002;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    display: flex;
    justify-content: center;
    align-items: flex-start;
    padding-top: 96px;
    overflow-y: auto;
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: transform var(--transition-slow), opacity var(--transition-slow), visibility var(--transition-slow);
}

.mobile-menu.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

.mobile-menu-content {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    max-width: 400px;
    margin: 0 auto;
    padding: 0 var(--space-md) var(--space-2xl);
    width: 100%;
}

.mobile-menu a {
    display: block;
    padding: var(--space-lg) var(--space-xl);
    font-size: 1.1rem;
    font-weight: var(--font-weight-medium);
    color: var(--text-primary);
    text-decoration: none;
    border-radius: var(--radius-lg);
    text-align: center;
    background: var(--glass-medium);
    border: 1px solid var(--glass-border);
    position: relative;
    overflow: hidden;
}

.mobile-menu a:hover {
    background: var(--glass-strong);
    border-color: var(--glass-border-hover);
    transform: translateY(-2px) scale(1.02);
    box-shadow: var(--shadow-medium);
}

.mobile-menu-social {
    display: flex;
    justify-content: center;
    gap: var(--space-sm);
    margin-top: var(--space-xl);
    padding-top: var(--space-lg);
    border-top: 1px solid var(--glass-border);
    flex-wrap: wrap;
}

.mobile-menu-social a {
    width: 54px;
    height: 54px;
    padding: 0 !important;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0;
}

.mobile-menu-social a svg {
    width: 24px;
    height: 24px;
}

.mobile-menu-theme-toggle {
    display: flex;
    justify-content: center;
    margin-top: var(--space-lg);
}

.mobile-menu .theme-toggle {
    width: 54px;
    height: 54px;
    margin-left: 0;
}

.mobile-menu .theme-toggle svg { width: 24px; height: 24px; }

@media (max-width: 768px) {
    nav { padding: var(--space-sm); }
    nav > div > div:first-of-type { display: none !important; }
    .mobile-menu-toggle { display: flex !important; }
}

/* ===== FOOTER ===== */
footer {
    position: relative;
    z-index: 1;
    margin-top: auto;
    padding: var(--space-xl) 0 var(--space-lg);
    background: rgba(0, 0, 0, 0.02);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

[data-theme="light"] footer {
    background: rgba(0, 0, 0, 0.02);
    border-top-color: rgba(0, 0, 0, 0.06);
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-md);
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    gap: var(--space-xl);
    padding: var(--space-lg) 0;
}

.footer-brand h3 {
    font-size: 1.1rem;
    font-weight: var(--font-weight-semibold);
    color: var(--text-primary);
    margin-bottom: var(--space-xs);
}

.footer-brand p {
    font-size: 0.9rem;
    color: var(--text-tertiary);
}

.footer-links {
    display: flex;
    gap: var(--space-lg);
    justify-content: center;
    flex-wrap: wrap;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: var(--font-weight-medium);
    position: relative;
    transition: all var(--transition-fast);
}

.footer-links a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--text-primary);
    transition: width var(--transition-fast);
}

.footer-links a:hover {
    color: var(--text-primary);
    transform: translateY(-1px);
}

.footer-links a:hover::after { width: 100%; }

.footer-social {
    display: flex;
    gap: var(--space-sm);
    justify-content: flex-end;
    align-items: center;
}

.footer-social a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-md);
    color: var(--text-tertiary);
    text-decoration: none;
    transition: all var(--transition-fast);
}

.footer-social a:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.15);
    transform: translateY(-2px) scale(1.05);
}

.footer-social a svg {
    width: 18px;
    height: 18px;
}

.footer-bottom { margin-top: var(--space-lg); }

.footer-divider {
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    margin-bottom: var(--space-lg);
}

.footer-bottom-content p {
    font-size: 0.85rem;
    color: var(--text-tertiary);
    text-align: center;
}

@media (max-width: 768px) {
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--space-lg);
    }
    .footer-brand { text-align: center; }
    .footer-links { justify-content: center; }
    .footer-social { justify-content: center; }
}

.layout-error {
    color: var(--status-danger);
    font-size: 0.875rem;
    padding: var(--space-md);
}

/* ===== DERS GEÇME ===== */
.agirlik-toplam {
    font-size: 0.9375rem;
    font-weight: var(--font-weight-semibold);
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-sm);
    text-align: center;
}

.agirlik-toplam--ok {
    color: var(--status-success);
    background: rgba(52, 211, 153, 0.1);
    border: 1px solid rgba(52, 211, 153, 0.25);
}

.agirlik-toplam--warn {
    color: var(--status-warning);
    background: rgba(251, 191, 36, 0.1);
    border: 1px solid rgba(251, 191, 36, 0.25);
}

.gecme-hata {
    font-size: 0.875rem;
    font-weight: var(--font-weight-semibold);
    color: var(--status-danger);
    background: rgba(248, 113, 113, 0.1);
    border: 1px solid rgba(248, 113, 113, 0.25);
    border-radius: var(--radius-sm);
    padding: var(--space-sm) var(--space-md);
    margin-top: var(--space-sm);
    text-align: center;
}

.gecme-row-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-sm);
    align-items: end;
}

.input-with-suffix {
    position: relative;
    display: flex;
    align-items: center;
}

.input-with-suffix .glass-input {
    padding-right: 2rem;
}

.input-with-suffix .input-suffix {
    position: absolute;
    right: 0.75rem;
    color: var(--text-tertiary);
    font-size: 0.9375rem;
    font-weight: var(--font-weight-semibold);
    pointer-events: none;
    user-select: none;
}

.gecme-row-headers {
    display: none;
}

@media (min-width: 640px) {
    .gecme-row-headers {
        display: grid;
        grid-template-columns: minmax(7rem, 2fr) minmax(4rem, 1fr) minmax(4rem, 1fr) minmax(9rem, 1.4fr) auto minmax(3.5rem, auto);
        gap: var(--space-sm);
        padding: 0 var(--space-xs) var(--space-xs);
        font-size: 0.75rem;
        font-weight: var(--font-weight-semibold);
        color: var(--text-tertiary);
        text-transform: uppercase;
        letter-spacing: 0.04em;
    }

    .gecme-row-headers span:nth-child(n+4) {
        visibility: hidden;
    }
}

@media (min-width: 640px) {
    .gecme-row-grid {
        grid-template-columns: minmax(7rem, 2fr) minmax(4rem, 1fr) minmax(4rem, 1fr) minmax(9rem, 1.4fr) auto minmax(3.5rem, auto);
        align-items: center;
        gap: var(--space-sm);
    }
}

.kalem-durum-cell {
    display: flex;
    align-items: center;
    min-width: 0;
    min-height: 2.75rem;
}

.kalem-durum-cell:empty {
    display: none;
}

@media (min-width: 640px) {
    .kalem-durum-cell:empty {
        display: flex;
    }
}

.hedef-cell {
    display: flex;
    align-items: center;
    min-height: 2.75rem;
    padding-bottom: 0;
    flex-shrink: 0;
    white-space: nowrap;
}

.kalem-sil-cell {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    flex-shrink: 0;
}

.hedef-label {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    font-size: 0.8125rem;
    color: var(--text-secondary);
    cursor: pointer;
    white-space: nowrap;
}

.hedef-label input {
    accent-color: var(--accent-tekrar);
}

.final-min-row {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-sm);
}

.final-min-row label {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    font-size: 0.875rem;
    color: var(--text-secondary);
    cursor: pointer;
}

.final-min-row input[type="number"] {
    width: 5rem;
}

.gecme-aciklama {
    font-size: 0.9375rem;
    line-height: 1.6;
    color: var(--text-secondary);
    margin: 0;
}

.harf-durum-metin {
    margin: var(--space-sm) 0 0;
    font-size: 0.8125rem;
    line-height: 1.45;
    color: var(--text-secondary);
}

.harf-durum-metin--ok {
    color: rgb(52, 211, 153);
}

.harf-durum-metin--warn {
    color: rgb(248, 113, 113);
}

#harf-not-sonuc {
    font-size: 3rem;
    color: var(--accent-tekrar);
}

.result-subvalue {
    margin: var(--space-sm) 0 0;
    font-size: 0.8125rem;
    font-weight: 500;
    line-height: 1.45;
    color: var(--text-secondary);
    text-align: center;
}

.hedef-harf-alani {
    margin-bottom: var(--space-lg);
    padding: var(--space-md) var(--space-lg);
    border-radius: var(--radius-md);
    font-size: 0.9375rem;
    font-weight: 500;
    line-height: 1.5;
    text-align: center;
}

.hedef-harf-alani p {
    margin: 0;
}

.hedef-harf-alani--ok {
    color: rgb(52, 211, 153);
    background: rgba(52, 211, 153, 0.1);
    border: 1px solid rgba(52, 211, 153, 0.25);
}

.hedef-harf-alani--warn {
    color: rgb(251, 191, 36);
    background: rgba(251, 191, 36, 0.1);
    border: 1px solid rgba(251, 191, 36, 0.25);
}

.final-min-row .glass-select {
    min-width: 5.5rem;
    flex: 1;
}

.result-card.durum-success { border-color: rgba(52, 211, 153, 0.35); }
.result-card.durum-warning { border-color: rgba(251, 191, 36, 0.35); }
.result-card.durum-danger { border-color: rgba(248, 113, 113, 0.35); }

#gerekli-final-sonuc {
    font-size: 3rem;
    color: var(--accent-tekrar);
}

.kalem-durum {
    display: block;
    width: 100%;
    max-width: 100%;
    padding: 0.35rem 0.65rem;
    border-radius: var(--radius-sm);
    font-size: 0.6875rem;
    font-weight: 500;
    line-height: 1.35;
    white-space: normal;
    word-break: break-word;
    overflow-wrap: anywhere;
}

@media (min-width: 900px) {
    .kalem-durum {
        font-size: 0.75rem;
    }
}

.kalem-durum--ok {
    color: rgb(52, 211, 153);
    background: rgba(52, 211, 153, 0.1);
    border: 1px solid rgba(52, 211, 153, 0.25);
}

.kalem-durum--warn {
    color: rgb(248, 113, 113);
    background: rgba(248, 113, 113, 0.1);
    border: 1px solid rgba(248, 113, 113, 0.25);
}