/* ═══════════════════════════════════════════════════════════════
   EUE NEUMORPHIC DESIGN SYSTEM v1.0
   © EUE 2026 — Tüm hakları saklıdır.
   
   KULLANIM: Tek noktadan tema kontrolü. :root altındaki
   değişkenleri güncelleyerek tüm temayı değiştirebilirsiniz.
   ═══════════════════════════════════════════════════════════════ */

/* ── GOOGLE FONTS ────────────────────────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;700&family=Outfit:wght@300;400;500;600;700&family=Plus+Jakarta+Sans:wght@400;500;600;700&family=Space+Grotesk:wght@400;500;600;700&display=swap');
@import url('https://api.fontshare.com/v2/css?f[]=satoshi@300,400,500,700,900&f[]=general-sans@400,500,600,700&f[]=clash-display@400,500,600,700&display=swap');

/* ═══════════════════════════════════════════════════════════════
   BÖLÜM 1: TEMA SİSTEMİ — ROOT DEĞİŞKENLERİ
   ═══════════════════════════════════════════════════════════════ */

/* ── LIGHT TEMA — AETHER Premium Modern ──────────────────────── */
:root,
[data-theme="light"] {
    --eue-bg:             #edf2f7;
    --eue-bg-dark:        #dbe4f0;
    --eue-bg-alt:         #e3eaf3;
    --eue-surface:        #eef3f9;
    --eue-shadow-light:   #ffffff;
    --eue-shadow-dark:    #b8c4d3;
    --eue-shadow-offset:  8px;
    --eue-shadow-blur:    16px;
    --eue-convex-from:    #f5f9ff;
    --eue-convex-to:      #d5dce8;
    --eue-text-primary:   #1e293b;
    --eue-text-secondary: #475569;
    --eue-text-muted:     #94a3b8;
    --eue-border:         #d7e0ea;
    --eue-overlay:        rgba(15,23,42,0.12);
}

/* ── DARK TEMA — NEXUS + AETHER Mix ──────────────────────────── */
[data-theme="dark"] {
    --eue-bg:             #09090f;
    --eue-bg-dark:        #050509;
    --eue-bg-alt:         #0d0f18;
    --eue-surface:        #111827;
    --eue-shadow-light:   #1e293b;
    --eue-shadow-dark:    #030306;
    --eue-convex-from:    #171d2e;
    --eue-convex-to:      #080a12;
    --eue-text-primary:   #f1f5f9;
    --eue-text-secondary: #94a3b8;
    --eue-text-muted:     #64748b;
    --eue-border:         rgba(30, 41, 59, 0.8);
    --eue-overlay:        rgba(0,0,0,0.75);
}

/* ── OKUMA MODU — Warm Crimson (Sıcak & Okunabilir) ──────────── */
[data-theme="reading"] {
    --eue-bg:             #1e1418;
    --eue-bg-dark:        #170f13;
    --eue-bg-alt:         #221720;
    --eue-surface:        #271c22;
    --eue-shadow-light:   #362a30;
    --eue-shadow-dark:    #0a0608;
    --eue-convex-from:    #2e2028;
    --eue-convex-to:      #1a1016;
    --eue-text-primary:   #fce4ec;
    --eue-text-secondary: #f48fb1;
    --eue-text-muted:     #ad6a7e;
    --eue-border:         rgba(244, 143, 177, 0.15);
    --eue-overlay:        rgba(20,12,16,0.7);
}

/* ── ACCENT RENKLERİ — Luxury Saturation ─────────────────────── */
:root, [data-accent="indigo"] {
    --eue-primary:        #6366f1;
    --eue-primary-light:  #a78bfa;
    --eue-primary-dark:   #4f46e5;
    --eue-primary-glow:   rgba(99, 102, 241, 0.25);
    --eue-accent-gradient: linear-gradient(135deg, #4338ca, #6366f1, #818cf8, #a78bfa, #c4b5fd);
    --eue-gradient:       linear-gradient(135deg, #4f46e5, #7c3aed);
}
[data-accent="emerald"] {
    --eue-primary:        #10b981;
    --eue-primary-light:  #6ee7b7;
    --eue-primary-dark:   #047857;
    --eue-primary-glow:   rgba(16, 185, 129, 0.25);
    --eue-accent-gradient: linear-gradient(135deg, #064e3b, #047857, #059669, #10b981, #34d399, #6ee7b7);
    --eue-gradient:       linear-gradient(135deg, #059669, #10b981);
}
[data-accent="rose"] {
    --eue-primary:        #e11d48;
    --eue-primary-light:  #fb7185;
    --eue-primary-dark:   #be123c;
    --eue-primary-glow:   rgba(225, 29, 72, 0.25);
    --eue-accent-gradient: linear-gradient(135deg, #9f1239, #be123c, #e11d48, #fb7185, #fda4af);
    --eue-gradient:       linear-gradient(135deg, #be123c, #e11d48);
}
[data-accent="amber"] {
    --eue-primary:        #d97706;
    --eue-primary-light:  #fbbf24;
    --eue-primary-dark:   #92400e;
    --eue-primary-glow:   rgba(217, 119, 6, 0.25);
    --eue-accent-gradient: linear-gradient(135deg, #78350f, #92400e, #b45309, #d97706, #f59e0b, #fbbf24);
    --eue-gradient:       linear-gradient(135deg, #b45309, #d97706);
}

/* ── SABİT RENKLER (Temadan Bağımsız) ────────────────────────── */
:root {
    --eue-success:        #22c55e;
    --eue-warning:        #f59e0b;
    --eue-danger:         #ef4444;
    --eue-info:           #3b82f6;

    --eue-font-display:   'Satoshi', 'Plus Jakarta Sans', 'Inter', sans-serif;
    --eue-font-body:      'Inter', 'General Sans', 'Segoe UI', sans-serif;
    --eue-font-mono:      'JetBrains Mono', 'Fira Code', monospace;
    --eue-font-luxury:    'Clash Display', 'Satoshi', sans-serif;

    --eue-radius-sm:      8px;
    --eue-radius-md:      12px;
    --eue-radius-lg:      16px;
    --eue-radius-xl:      24px;
    --eue-radius-full:    9999px;

    --eue-transition:     all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    --eue-transition-slow: all 0.45s cubic-bezier(0.4, 0, 0.2, 1);

    --eue-z-dropdown:     10;
    --eue-z-sticky:       20;
    --eue-z-modal:        50;
    --eue-z-tooltip:      60;
    --eue-z-dock:         100;
}

/* ═══════════════════════════════════════════════════════════════
   BÖLÜM 2: GLOBAL RESET & TEMEL STİLLER
   ═══════════════════════════════════════════════════════════════ */

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--eue-font-body);
    background-color: var(--eue-bg);
    color: var(--eue-text-primary);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
    padding-bottom: 0;
    transition: background-color 0.4s ease, color 0.4s ease;
}

a { text-decoration: none; color: inherit; }
ul, ol { list-style: none; }
img { max-width: 100%; display: block; }

:focus-visible {
    outline: 2px solid var(--eue-primary);
    outline-offset: 3px;
    border-radius: 4px;
}

/* ═══════════════════════════════════════════════════════════════
   BÖLÜM 3: NEUMORPHİC UTİLİTY SINIFLARI
   ═══════════════════════════════════════════════════════════════ */

/* ── Düz yüzey (flat) ────────────────────────────────────────── */
.eue-flat {
    background: var(--eue-surface);
    box-shadow:
        var(--eue-shadow-offset) var(--eue-shadow-offset) var(--eue-shadow-blur) var(--eue-shadow-dark),
        calc(var(--eue-shadow-offset) * -1) calc(var(--eue-shadow-offset) * -1) var(--eue-shadow-blur) var(--eue-shadow-light);
}

/* ── Basılı / gömük (pressed / inset) ────────────────────────── */
.eue-pressed {
    background: var(--eue-surface);
    box-shadow:
        inset 4px 4px 8px var(--eue-shadow-dark),
        inset -4px -4px 8px var(--eue-shadow-light);
}

/* ── Çıkıntılı / kabarık (convex) ────────────────────────────── */
.eue-convex {
    background: linear-gradient(145deg, var(--eue-convex-from), var(--eue-convex-to));
    box-shadow:
        var(--eue-shadow-offset) var(--eue-shadow-offset) var(--eue-shadow-blur) var(--eue-shadow-dark),
        calc(var(--eue-shadow-offset) * -1) calc(var(--eue-shadow-offset) * -1) var(--eue-shadow-blur) var(--eue-shadow-light);
}

/* ── İçbükey (concave) ───────────────────────────────────────── */
.eue-concave {
    background: linear-gradient(145deg, var(--eue-convex-to), var(--eue-convex-from));
    box-shadow:
        var(--eue-shadow-offset) var(--eue-shadow-offset) var(--eue-shadow-blur) var(--eue-shadow-dark),
        calc(var(--eue-shadow-offset) * -1) calc(var(--eue-shadow-offset) * -1) var(--eue-shadow-blur) var(--eue-shadow-light);
}

/* ═══════════════════════════════════════════════════════════════
   BÖLÜM 4: BUTONLAR
   ═══════════════════════════════════════════════════════════════ */

.eue-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.7rem 1.4rem;
    font-family: var(--eue-font-body);
    font-size: 0.875rem;
    font-weight: 600;
    border: none;
    border-radius: var(--eue-radius-md);
    cursor: pointer;
    user-select: none;
    transition: var(--eue-transition);
    background: var(--eue-surface);
    color: var(--eue-text-secondary);
    box-shadow:
        var(--eue-shadow-offset) var(--eue-shadow-offset) var(--eue-shadow-blur) var(--eue-shadow-dark),
        calc(var(--eue-shadow-offset) * -1) calc(var(--eue-shadow-offset) * -1) var(--eue-shadow-blur) var(--eue-shadow-light);
}

.eue-btn:hover {
    box-shadow:
        4px 4px 8px var(--eue-shadow-dark),
        -4px -4px 8px var(--eue-shadow-light);
    transform: translateY(-1px);
}

.eue-btn:active {
    box-shadow:
        inset 4px 4px 8px var(--eue-shadow-dark),
        inset -4px -4px 8px var(--eue-shadow-light);
    transform: translateY(0);
}

.eue-btn--primary { color: var(--eue-primary); }
.eue-btn--success { color: var(--eue-success); }
.eue-btn--danger  { color: var(--eue-danger); }
.eue-btn--warning { color: var(--eue-warning); }
.eue-btn--round   { border-radius: var(--eue-radius-full); }

.eue-btn--icon {
    width: 44px;
    height: 44px;
    padding: 0;
    border-radius: var(--eue-radius-md);
}

.eue-btn--icon-round {
    width: 44px;
    height: 44px;
    padding: 0;
    border-radius: var(--eue-radius-full);
}

/* ═══════════════════════════════════════════════════════════════
   BÖLÜM 5: FORM ELEMANLARI
   ═══════════════════════════════════════════════════════════════ */

.eue-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--eue-text-secondary);
    margin-bottom: 0.5rem;
}

.eue-input {
    width: 100%;
    padding: 0.75rem 1rem;
    font-family: var(--eue-font-body);
    font-size: 0.875rem;
    color: var(--eue-text-primary);
    background: var(--eue-surface);
    border: none;
    border-radius: var(--eue-radius-md);
    outline: none;
    transition: var(--eue-transition);
    box-shadow:
        inset 4px 4px 8px var(--eue-shadow-dark),
        inset -4px -4px 8px var(--eue-shadow-light);
}

.eue-input::placeholder {
    color: var(--eue-text-muted);
}

.eue-input:focus {
    box-shadow:
        inset 4px 4px 8px var(--eue-shadow-dark),
        inset -4px -4px 8px var(--eue-shadow-light),
        0 0 0 2px var(--eue-primary);
}

.eue-input-icon-wrap {
    position: relative;
}

.eue-input-icon-wrap .eue-input {
    padding-left: 2.75rem;
}

.eue-input-icon-wrap svg {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    width: 18px;
    height: 18px;
    color: var(--eue-text-muted);
    pointer-events: none;
}

.eue-textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    font-family: var(--eue-font-body);
    font-size: 0.875rem;
    color: var(--eue-text-primary);
    background: var(--eue-surface);
    border: none;
    border-radius: var(--eue-radius-md);
    outline: none;
    resize: none;
    transition: var(--eue-transition);
    box-shadow:
        inset 4px 4px 8px var(--eue-shadow-dark),
        inset -4px -4px 8px var(--eue-shadow-light);
}

.eue-textarea:focus {
    box-shadow:
        inset 4px 4px 8px var(--eue-shadow-dark),
        inset -4px -4px 8px var(--eue-shadow-light),
        0 0 0 2px var(--eue-primary);
}

.eue-select-wrap {
    position: relative;
}

.eue-select {
    width: 100%;
    padding: 0.75rem 2.5rem 0.75rem 1rem;
    font-family: var(--eue-font-body);
    font-size: 0.875rem;
    color: var(--eue-text-primary);
    background: var(--eue-surface);
    border: none;
    border-radius: var(--eue-radius-md);
    outline: none;
    appearance: none;
    cursor: pointer;
    transition: var(--eue-transition);
    box-shadow:
        inset 4px 4px 8px var(--eue-shadow-dark),
        inset -4px -4px 8px var(--eue-shadow-light);
}

.eue-select-wrap svg {
    position: absolute;
    right: 1rem;
    top: 50%;
    transform: translateY(-50%);
    width: 18px;
    height: 18px;
    color: var(--eue-text-muted);
    pointer-events: none;
}

/* ── Checkbox ────────────────────────────────────────────────── */
.eue-checkbox {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    cursor: pointer;
    font-size: 0.875rem;
    color: var(--eue-text-secondary);
}

.eue-checkbox-box {
    width: 24px;
    height: 24px;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    background: var(--eue-surface);
    box-shadow:
        inset 4px 4px 8px var(--eue-shadow-dark),
        inset -4px -4px 8px var(--eue-shadow-light);
    transition: var(--eue-transition);
}

.eue-checkbox-box svg {
    width: 14px;
    height: 14px;
    color: var(--eue-primary);
    opacity: 0;
    transform: scale(0.5);
    transition: var(--eue-transition);
}

.eue-checkbox-box.checked svg {
    opacity: 1;
    transform: scale(1);
}

/* ── Toggle Switch ───────────────────────────────────────────── */
.eue-toggle-wrap {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    cursor: pointer;
}

.eue-toggle-track {
    width: 52px;
    height: 28px;
    border-radius: var(--eue-radius-full);
    position: relative;
    background: var(--eue-surface);
    box-shadow:
        inset 4px 4px 8px var(--eue-shadow-dark),
        inset -4px -4px 8px var(--eue-shadow-light);
    transition: var(--eue-transition);
}

.eue-toggle-thumb {
    position: absolute;
    top: 3px;
    left: 3px;
    width: 22px;
    height: 22px;
    border-radius: var(--eue-radius-full);
    background: linear-gradient(145deg, var(--eue-convex-from), var(--eue-convex-to));
    box-shadow:
        3px 3px 6px var(--eue-shadow-dark),
        -3px -3px 6px var(--eue-shadow-light);
    transition: var(--eue-transition);
}

.eue-toggle-track.active {
    background: linear-gradient(145deg, var(--eue-primary-light), var(--eue-primary));
}

.eue-toggle-track.active .eue-toggle-thumb {
    left: auto;
    right: 3px;
}

.eue-toggle-label {
    font-size: 0.875rem;
    color: var(--eue-text-secondary);
}

/* ── Range Slider ────────────────────────────────────────────── */
.eue-range {
    -webkit-appearance: none;
    width: 100%;
    background: transparent;
}

.eue-range::-webkit-slider-track {
    height: 8px;
    background: var(--eue-surface);
    border-radius: 4px;
    box-shadow:
        inset 2px 2px 4px var(--eue-shadow-dark),
        inset -2px -2px 4px var(--eue-shadow-light);
}

.eue-range::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 24px;
    height: 24px;
    background: linear-gradient(145deg, var(--eue-convex-from), var(--eue-convex-to));
    border-radius: 50%;
    box-shadow:
        4px 4px 8px var(--eue-shadow-dark),
        -4px -4px 8px var(--eue-shadow-light);
    cursor: pointer;
    margin-top: -8px;
}

/* © EUE 2026 — style.css Part 1/3 END */


/* Global Fixes for Focus/Tap Square Outlines */
*, *::before, *::after {
    -webkit-tap-highlight-color: transparent;
}
*:focus {
    outline: none !important;
}
button, a {
    outline: none;
}