/* ══════════════════════════════════════════
   rota.css  —  MatMod | Öğrenme Rotası
   Dark Neon Road Map Design
   ══════════════════════════════════════════ */

:root {
    --bg-color: #050d1a;
    --top-bar-bg: rgba(5, 13, 26, 0.95);
    --text-main: #FFFFFF;
    --text-muted: #7c9cbf;

    --glass-bg: rgba(10, 22, 40, 0.7);
    --glass-border: rgba(74, 143, 231, 0.2);

    --color-1: #4A8FE7;
    --color-1-glow: rgba(74, 143, 231, 0.6);
    --color-2: #8b5cf6;
    --color-2-glow: rgba(139, 92, 246, 0.6);
    --color-3: #ec4899;
    --color-3-glow: rgba(236, 72, 153, 0.6);
    --color-4: #f59e0b;
    --color-4-glow: rgba(245, 158, 11, 0.6);
    --color-5: #22C55E;
    --color-5-glow: rgba(34, 197, 94, 0.6);
    --color-6: #06b6d4;
    --color-6-glow: rgba(6, 182, 212, 0.6);
}

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

body {
    font-family: 'Nunito', 'Inter', sans-serif;
    background-color: var(--bg-color);
    background-image:
        radial-gradient(ellipse at 50% 0%, rgba(74, 143, 231, 0.08) 0%, transparent 60%),
        radial-gradient(ellipse at 20% 50%, rgba(139, 92, 246, 0.05) 0%, transparent 50%);
    color: var(--text-main);
    overflow-x: hidden;
    padding-top: 70px;
    min-height: 100vh;
}

/* ── Üst Bar ── */
.top-bar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 70px;
    background: var(--top-bar-bg);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(74, 143, 231, 0.15);
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 32px;
    z-index: 100;
}

.logo {
    font-size: 1.5rem;
    font-weight: 900;
    color: #fff;
    letter-spacing: -0.5px;
    display: flex;
    align-items: center;
    gap: 8px;
}
.logo::before {
    content: '';
    display: block;
    width: 28px;
    height: 28px;
    background: linear-gradient(135deg, #4A8FE7, #7c3aed);
    border-radius: 8px;
    box-shadow: 0 0 15px rgba(74, 143, 231, 0.5);
}
.logo span {
    background: linear-gradient(90deg, #4A8FE7, #8b5cf6);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.home-btn {
    text-decoration: none;
    color: #a0b4cc;
    font-weight: 700;
    font-size: 0.9rem;
    padding: 8px 18px;
    border-radius: 50px;
    background: rgba(74, 143, 231, 0.08);
    border: 1px solid rgba(74, 143, 231, 0.2);
    transition: all 0.2s;
    display: flex;
    align-items: center;
    gap: 6px;
}
.home-btn:hover {
    background: rgba(74, 143, 231, 0.2);
    color: #fff;
    border-color: rgba(74, 143, 231, 0.4);
}

/* ── Başlık Alanı ── */
.page-title-section {
    text-align: center;
    padding: 30px 20px 10px;
}
.page-title-section h1 {
    font-size: 2.2rem;
    font-weight: 900;
    letter-spacing: -1px;
    margin-bottom: 6px;
}
.page-title-section h1 span {
    background: linear-gradient(90deg, #4A8FE7, #8b5cf6, #ec4899);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}
.page-title-section p {
    font-size: 0.95rem;
    color: var(--text-muted);
    font-weight: 500;
}

/* ── Rota Alanı ── */
.route-container {
    position: relative;
    max-width: 480px;
    margin: 0 auto;
    padding: 10px 0 200px 0;
    min-height: calc(100vh - 70px);
}

.path-svg {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 700px;
    height: 2500px;
    z-index: 0;
    overflow: visible;
    pointer-events: none;
}

/* Road path styling - dark road with white dashes */
.road-bg {
    stroke: rgba(30, 50, 80, 0.8);
    stroke-width: 60;
    fill: none;
    stroke-linecap: round;
}

.road-edge-left {
    stroke: rgba(74, 143, 231, 0.4);
    stroke-width: 2;
    fill: none;
    stroke-linecap: round;
    filter: drop-shadow(0 0 4px rgba(74, 143, 231, 0.6));
}
.road-edge-right {
    stroke: rgba(74, 143, 231, 0.4);
    stroke-width: 2;
    fill: none;
    stroke-linecap: round;
    filter: drop-shadow(0 0 4px rgba(74, 143, 231, 0.6));
}

.active-path {
    stroke: url(#neonGradient);
    stroke-width: 3;
    fill: none;
    stroke-linecap: round;
    filter: drop-shadow(0 0 8px rgba(74, 143, 231, 0.8));
    stroke-dasharray: 20 15;
    animation: dashMove 1.5s linear infinite;
}

@keyframes dashMove {
    to { stroke-dashoffset: -35; }
}

.nodes-wrapper {
    position: relative;
    z-index: 10;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0;
}

/* ── Node Rows ── */
.node-row {
    width: 100%;
    height: 180px;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}

/* ── Node Button Wrapper ── */
.node-btn-wrapper {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* ── Outer glow ring for nodes ── */
.node-outer-ring {
    position: absolute;
    width: 110px;
    height: 110px;
    border-radius: 50%;
    border: 2px solid;
    opacity: 0.3;
    animation: ringPulse 2s ease-in-out infinite;
}

@keyframes ringPulse {
    0%, 100% { transform: scale(1); opacity: 0.3; }
    50% { transform: scale(1.15); opacity: 0.15; }
}

/* ── Main Node Button ── */
.node-btn {
    width: 88px;
    height: 88px;
    border-radius: 50%;
    border: 3px solid rgba(255, 255, 255, 0.3);
    cursor: pointer;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 28px;
    color: white;
    position: relative;
    transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
    outline: none;
    background: rgba(10, 22, 40, 0.8);
    animation: jellyFloat 4s infinite ease-in-out;
    z-index: 2;
    overflow: hidden;
    padding: 0;
}

/* Subtle shine overlay on top of image */
.node-btn::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(255,255,255,0.12) 0%, transparent 60%);
    pointer-events: none;
    z-index: 3;
}

.node-btn img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
    display: block;
    position: relative;
    z-index: 1;
}

@keyframes jellyFloat {
    0%, 100% { transform: translateY(0); }
    33% { transform: translateY(-6px); }
    66% { transform: translateY(4px); }
}

.node-btn:hover {
    transform: scale(1.12) translateY(-4px);
    filter: brightness(1.3);
}

.node-btn:active {
    transform: scale(0.95);
    animation: none;
}

/* ── Node Label ── */
.node-label {
    position: absolute;
    background: rgba(10, 22, 40, 0.9);
    padding: 8px 16px;
    border-radius: 50px;
    font-size: 0.78rem;
    font-weight: 800;
    color: var(--text-main);
    border: 1px solid rgba(74, 143, 231, 0.25);
    backdrop-filter: blur(12px);
    width: max-content;
    max-width: 180px;
    white-space: nowrap;
    top: 50%;
    transform: translateY(-50%);
    pointer-events: none;
    z-index: 5;
    letter-spacing: 0.02em;
}

.node-btn-wrapper.side-right .node-label {
    right: 108%;
    text-align: right;
}

.node-btn-wrapper.side-left .node-label {
    left: 108%;
    text-align: left;
}

.node-btn-wrapper.side-center .node-label {
    left: 108%;
    text-align: left;
}

/* ── Per-color Node Styles ── */
.node-row[data-color="1"] .node-btn {
    background: radial-gradient(circle at 35% 35%, #6BA6F0, #1d4fba);
    border-color: rgba(74, 143, 231, 0.5);
    box-shadow: 0 0 30px rgba(74, 143, 231, 0.5), 0 0 60px rgba(74, 143, 231, 0.2), inset 0 1px 0 rgba(255,255,255,0.2);
}
.node-row[data-color="1"] .node-outer-ring { border-color: var(--color-1); }
.node-row[data-color="1"] .node-label { border-color: rgba(74, 143, 231, 0.4); color: #93c5fd; }

.node-row[data-color="2"] .node-btn {
    background: radial-gradient(circle at 35% 35%, #a78bfa, #5b21b6);
    border-color: rgba(139, 92, 246, 0.5);
    box-shadow: 0 0 30px rgba(139, 92, 246, 0.5), 0 0 60px rgba(139, 92, 246, 0.2), inset 0 1px 0 rgba(255,255,255,0.2);
}
.node-row[data-color="2"] .node-outer-ring { border-color: var(--color-2); }
.node-row[data-color="2"] .node-label { border-color: rgba(139, 92, 246, 0.4); color: #c4b5fd; }

.node-row[data-color="3"] .node-btn {
    background: radial-gradient(circle at 35% 35%, #f472b6, #9d174d);
    border-color: rgba(236, 72, 153, 0.5);
    box-shadow: 0 0 30px rgba(236, 72, 153, 0.5), 0 0 60px rgba(236, 72, 153, 0.2), inset 0 1px 0 rgba(255,255,255,0.2);
}
.node-row[data-color="3"] .node-outer-ring { border-color: var(--color-3); }
.node-row[data-color="3"] .node-label { border-color: rgba(236, 72, 153, 0.4); color: #f9a8d4; }

.node-row[data-color="4"] .node-btn {
    background: radial-gradient(circle at 35% 35%, #fbbf24, #b45309);
    border-color: rgba(245, 158, 11, 0.5);
    box-shadow: 0 0 30px rgba(245, 158, 11, 0.5), 0 0 60px rgba(245, 158, 11, 0.2), inset 0 1px 0 rgba(255,255,255,0.3);
}
.node-row[data-color="4"] .node-outer-ring { border-color: var(--color-4); }
.node-row[data-color="4"] .node-label { border-color: rgba(245, 158, 11, 0.4); color: #fde68a; }

.node-row[data-color="5"] .node-btn {
    background: radial-gradient(circle at 35% 35%, #4ade80, #15803d);
    border-color: rgba(34, 197, 94, 0.5);
    box-shadow: 0 0 30px rgba(34, 197, 94, 0.5), 0 0 60px rgba(34, 197, 94, 0.2), inset 0 1px 0 rgba(255,255,255,0.2);
}
.node-row[data-color="5"] .node-outer-ring { border-color: var(--color-5); }
.node-row[data-color="5"] .node-label { border-color: rgba(34, 197, 94, 0.4); color: #86efac; }

.node-row[data-color="6"] .node-btn {
    background: radial-gradient(circle at 35% 35%, #22d3ee, #0e7490);
    border-color: rgba(6, 182, 212, 0.5);
    box-shadow: 0 0 30px rgba(6, 182, 212, 0.5), 0 0 60px rgba(6, 182, 212, 0.2), inset 0 1px 0 rgba(255,255,255,0.2);
}
.node-row[data-color="6"] .node-outer-ring { border-color: var(--color-6); }
.node-row[data-color="6"] .node-label { border-color: rgba(6, 182, 212, 0.4); color: #67e8f9; }

/* ── Active node heartbeat ── */
.node-row.active .node-btn {
    animation: heartBeat 1.8s infinite cubic-bezier(0.28, 0.84, 0.42, 1);
}

@keyframes heartBeat {
    0% { transform: scale(1); }
    15% { transform: scale(1.18); }
    30% { transform: scale(1); }
    45% { transform: scale(1.12); }
    70% { transform: scale(1); }
}

.node-row.active .node-outer-ring {
    animation: ringPulse 1.2s ease-in-out infinite;
    opacity: 0.6;
}

/* ── Step Number Badge ── */
.node-btn-wrapper .step-badge {
    position: absolute;
    bottom: 2px;
    right: 2px;
    width: 26px;
    height: 26px;
    border-radius: 50%;
    background: rgba(5, 13, 26, 0.95);
    border: 1.5px solid rgba(255, 255, 255, 0.3);
    font-size: 0.65rem;
    font-weight: 900;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    z-index: 10;
    pointer-events: none;
}

/* ── Particle Canvas ── */
#particleCanvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: -1;
}

/* ══════════════════════════════════════════
   AÇIK TEMA (Light Theme) Overrides
   localStorage'dan okunarak uygulanır
   ══════════════════════════════════════════ */
[data-theme="light"] {
    --bg-color: #f0f4ff;
    --top-bar-bg: rgba(255, 255, 255, 0.95);
    --text-main: #1e293b;
    --text-muted: #64748b;
    --glass-bg: rgba(255, 255, 255, 0.75);
    --glass-border: rgba(74, 143, 231, 0.25);
}

[data-theme="light"] body {
    background-color: #f0f4ff;
    background-image:
        radial-gradient(ellipse at 50% 0%, rgba(74, 143, 231, 0.12) 0%, transparent 60%),
        radial-gradient(ellipse at 20% 50%, rgba(139, 92, 246, 0.08) 0%, transparent 50%);
    color: #1e293b;
}

[data-theme="light"] .top-bar {
    background: rgba(255, 255, 255, 0.95);
    border-bottom: 1px solid rgba(74, 143, 231, 0.2);
    box-shadow: 0 2px 12px rgba(74, 143, 231, 0.1);
}

[data-theme="light"] .logo {
    color: #1e293b;
}

[data-theme="light"] .home-btn {
    color: #475569;
    background: rgba(74, 143, 231, 0.08);
    border-color: rgba(74, 143, 231, 0.25);
}

[data-theme="light"] .home-btn:hover {
    background: rgba(74, 143, 231, 0.18);
    color: #1e40af;
}

[data-theme="light"] .page-title-section p {
    color: #64748b;
}

[data-theme="light"] .road-bg {
    stroke: rgba(200, 215, 240, 0.9);
}

[data-theme="light"] .node-btn {
    border-color: rgba(255, 255, 255, 0.8);
    background: rgba(255, 255, 255, 0.6);
}

[data-theme="light"] .node-label {
    background: rgba(255, 255, 255, 0.9);
    color: #1e293b;
    border-color: rgba(74, 143, 231, 0.3);
}

[data-theme="light"] .node-btn-wrapper .step-badge {
    background: rgba(255, 255, 255, 0.95);
    color: #1e293b;
    border-color: rgba(74, 143, 231, 0.3);
}