@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100%; }

/* ============ SECRET GATE SCREEN ============ */
.gate-screen {
    position: fixed;
    inset: 0;
    background: #08090c;
    display: grid;
    place-items: center;
    z-index: 2000;
    overflow: hidden;
    transition: opacity 0.8s cubic-bezier(.4,0,.2,1), transform 0.8s cubic-bezier(.4,0,.2,1);
}
.gate-screen.unlocking {
    opacity: 0;
    transform: scale(1.15);
    pointer-events: none;
}
.gate-screen[hidden] { display: none !important; }

/* Ambient glow */
.gate-glow {
    position: absolute;
    width: 400px;
    height: 400px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(90, 115, 64, 0.08) 0%, transparent 70%);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation: gatePulse 4s ease-in-out infinite;
}
@keyframes gatePulse {
    0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 0.6; }
    50% { transform: translate(-50%, -50%) scale(1.3); opacity: 1; }
}

/* Ambient rings */
.gate-ambient {
    position: absolute;
    inset: 0;
    display: grid;
    place-items: center;
    pointer-events: none;
}
.gate-ring {
    position: absolute;
    border-radius: 50%;
    border: 1px solid rgba(90, 115, 64, 0.06);
    animation: ringExpand 8s ease-in-out infinite;
}
.r1 { width: 200px; height: 200px; animation-delay: 0s; }
.r2 { width: 350px; height: 350px; animation-delay: -2.5s; }
.r3 { width: 500px; height: 500px; animation-delay: -5s; }
@keyframes ringExpand {
    0%, 100% { transform: scale(0.9); opacity: 0.3; }
    50% { transform: scale(1.1); opacity: 0.08; }
}

/* Central content */
.gate-content {
    position: relative;
    z-index: 1;
    text-align: center;
    animation: gateEnter 1.2s cubic-bezier(.22,1,.36,1) both;
}
@keyframes gateEnter {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.gate-symbol {
    font-size: 2.5rem;
    color: rgba(90, 115, 64, 0.5);
    margin-bottom: 1.5rem;
    animation: symbolGlow 3s ease-in-out infinite;
    user-select: none;
}
@keyframes symbolGlow {
    0%, 100% { filter: drop-shadow(0 0 8px rgba(90, 115, 64, 0.2)); opacity: 0.5; }
    50% { filter: drop-shadow(0 0 20px rgba(90, 115, 64, 0.4)); opacity: 0.9; }
}

.gate-hint {
    font-family: 'Inter', monospace;
    font-size: 0.75rem;
    color: rgba(255,255,255,0.2);
    text-transform: lowercase;
    letter-spacing: 0.3em;
    margin-bottom: 1.5rem;
    transition: color 0.3s;
}

.gate-input-wrap {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 220px;
}
.gate-input {
    width: 100%;
    background: transparent;
    border: none;
    border-bottom: 1px solid rgba(255,255,255,0.08);
    padding: 0.6rem 0;
    font-family: 'Inter', monospace;
    font-size: 1.1rem;
    color: rgba(255,255,255,0.75);
    text-align: center;
    letter-spacing: 0.15em;
    outline: none;
    caret-color: transparent;
    transition: border-color 0.3s;
    -webkit-text-security: disc;
}
.gate-input:focus {
    border-bottom-color: rgba(90, 115, 64, 0.4);
}
.gate-input::placeholder { color: transparent; }

.gate-cursor {
    position: absolute;
    bottom: 0.5rem;
    left: 50%;
    transform: translateX(-50%);
    width: 14px;
    height: 2px;
    background: rgba(90, 115, 64, 0.6);
    animation: cursorBlink 1s step-end infinite;
    pointer-events: none;
    transition: opacity 0.3s;
}
@keyframes cursorBlink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0; }
}

.gate-feedback {
    font-family: 'Inter', monospace;
    font-size: 0.7rem;
    color: rgba(255, 80, 80, 0.6);
    margin-top: 1rem;
    min-height: 1.2em;
    letter-spacing: 0.08em;
    transition: all 0.3s;
}
.gate-feedback.success {
    color: rgba(90, 115, 64, 0.8);
}

/* When gate has input, hide the fake cursor */
.gate-input:not(:placeholder-shown) ~ .gate-cursor { opacity: 0; }

:root {
    --bg: #f4f1ec;
    --bg-alt: #eae6df;
    --card: #ffffff;
    --text: #1a1a1a;
    --text-secondary: #555555;
    --muted: #8a8a8a;
    --border: #ddd6cc;
    --accent: #5a7340;
    --accent-hover: #456030;
    --accent-glow: rgba(90, 115, 64, 0.15);
    --badge-bg: #f0ece6;
    --ok: #5a8a6e;
    --merged: #c8862a;
    --error: #a75050;
    --skip: #888888;
    --danger: #c0392b;
    --danger-hover: #a93226;
    --shadow-sm: 0 1px 2px rgba(0,0,0,.06);
    --shadow: 0 2px 8px rgba(0,0,0,.08);
    --shadow-lg: 0 8px 24px rgba(0,0,0,.1);
    --shadow-xl: 0 16px 48px rgba(0,0,0,.12);
    --radius: 12px;
    --radius-lg: 16px;
    --transition: 0.2s cubic-bezier(.4,0,.2,1);
}

body[data-theme="dark"] {
    --bg: #0c0f14;
    --bg-alt: #141820;
    --card: #1a1f2b;
    --text: #e8e4df;
    --text-secondary: #a0a0a0;
    --muted: #6b6b6b;
    --border: #2a3040;
    --accent: #7fa858;
    --accent-hover: #95c06a;
    --accent-glow: rgba(127, 168, 88, 0.15);
    --badge-bg: #1f2636;
    --ok: #6aab80;
    --merged: #daa040;
    --error: #d06060;
    --skip: #666;
    --danger: #e74c3c;
    --danger-hover: #ff5555;
    --shadow-sm: 0 1px 2px rgba(0,0,0,.2);
    --shadow: 0 2px 8px rgba(0,0,0,.25);
    --shadow-lg: 0 8px 24px rgba(0,0,0,.3);
    --shadow-xl: 0 16px 48px rgba(0,0,0,.4);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    color: var(--text);
    background: var(--bg);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

/* ============ LOGIN SCREEN ============ */
.login-screen {
    position: fixed;
    inset: 0;
    display: grid;
    place-items: center;
    background: var(--bg);
    z-index: 1000;
    overflow: hidden;
    transition: opacity 0.5s ease, transform 0.5s ease;
}
.login-screen.hiding {
    opacity: 0;
    transform: scale(1.03);
    pointer-events: none;
}

/* Floating particles */
.login-particles {
    position: absolute;
    inset: 0;
    overflow: hidden;
}
.particle {
    position: absolute;
    border-radius: 50%;
    background: var(--accent);
    opacity: 0.06;
    animation: floatParticle 20s infinite ease-in-out;
}
.p1 { width: 300px; height: 300px; top: -80px; left: -100px; animation-delay: 0s; }
.p2 { width: 200px; height: 200px; bottom: -60px; right: -60px; animation-delay: -5s; }
.p3 { width: 150px; height: 150px; top: 40%; left: 70%; animation-delay: -10s; }
.p4 { width: 100px; height: 100px; top: 20%; right: 20%; animation-delay: -3s; }
.p5 { width: 250px; height: 250px; bottom: 10%; left: 30%; animation-delay: -8s; }
@keyframes floatParticle {
    0%, 100% { transform: translate(0, 0) scale(1); }
    25% { transform: translate(30px, -40px) scale(1.1); }
    50% { transform: translate(-20px, 20px) scale(0.95); }
    75% { transform: translate(15px, 30px) scale(1.05); }
}

.login-card {
    position: relative;
    z-index: 1;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 3rem 2.5rem;
    width: min(420px, calc(100vw - 2rem));
    box-shadow: var(--shadow-xl);
    animation: loginEnter 0.6s cubic-bezier(.22,1,.36,1) both;
}
@keyframes loginEnter {
    from { opacity: 0; transform: translateY(30px) scale(.96); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

.login-logo {
    text-align: center;
    margin-bottom: 1.25rem;
    color: var(--accent);
}
.login-title {
    text-align: center;
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: .25rem;
    letter-spacing: -0.02em;
}
.login-subtitle {
    text-align: center;
    font-size: .875rem;
    color: var(--muted);
    margin-bottom: 2rem;
}

.login-form {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.input-group { display: flex; flex-direction: column; gap: .4rem; }
.input-label { font-size: .8rem; font-weight: 600; color: var(--text-secondary); text-transform: uppercase; letter-spacing: .06em; }
.input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}
.input-wrapper input {
    padding-left: 2.6rem;
    padding-right: 2.6rem;
}
.input-icon {
    position: absolute;
    left: .85rem;
    color: var(--muted);
    pointer-events: none;
    flex-shrink: 0;
}
.toggle-pass {
    position: absolute;
    right: .5rem;
    background: none;
    border: none;
    color: var(--muted);
    cursor: pointer;
    padding: .35rem;
    border-radius: 4px;
    display: flex;
    align-items: center;
}
.toggle-pass:hover { color: var(--text); background: none; transform: none; }

.login-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: .5rem;
    width: 100%;
    padding: .9rem 1.5rem;
    background: var(--accent);
    color: white;
    border: none;
    border-radius: var(--radius);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all var(--transition);
    box-shadow: 0 4px 12px var(--accent-glow);
}
.login-btn:hover { background: var(--accent-hover); transform: translateY(-2px); box-shadow: 0 6px 20px var(--accent-glow); }
.login-btn:active { transform: translateY(0); }
.login-btn .btn-arrow { transition: transform var(--transition); }
.login-btn:hover .btn-arrow { transform: translateX(3px); }

.login-footer { margin-top: 2rem; }
.security-badges { display: flex; justify-content: center; gap: .5rem; flex-wrap: wrap; }
.sec-badge {
    font-size: .7rem;
    padding: .3rem .6rem;
    background: var(--bg-alt);
    border: 1px solid var(--border);
    border-radius: 999px;
    color: var(--muted);
    letter-spacing: .02em;
}

/* ============ APP SHELL ============ */
.app-shell {
    animation: fadeIn 0.4s ease both;
}
.app-shell[hidden] { display: none !important; }
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* ============ HEADER ============ */
.app-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    border-bottom: 1px solid var(--border);
    background: var(--card);
    position: sticky;
    top: 0;
    z-index: 10;
    box-shadow: var(--shadow-sm);
    gap: 1rem;
    flex-wrap: wrap;
}
.header-left { display: flex; align-items: center; gap: .75rem; }
.app-header h1 { font-size: 1.25rem; font-weight: 700; letter-spacing: -.02em; margin: 0; }
.header-chip {
    font-size: .7rem;
    font-weight: 600;
    padding: .25rem .6rem;
    border-radius: 999px;
    background: var(--ok);
    color: white;
    letter-spacing: .03em;
}
.header-chip.offline { background: var(--error); }
.status-row { display: flex; gap: .5rem; flex-wrap: wrap; align-items: center; }

/* ============ MAIN CONTAINER ============ */
.main-container { max-width: 1400px; margin: 0 auto; padding: 1.5rem; }

/* ============ HERO / STATS ============ */
.hero-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 1.75rem;
    margin-bottom: 1.5rem;
    box-shadow: var(--shadow);
}
.hero-content h2 { margin: 0 0 1.25rem; font-size: 1.15rem; font-weight: 600; }
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: .75rem; }
.stat-card {
    background: var(--bg-alt);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.25rem;
    text-align: center;
    transition: transform var(--transition), box-shadow var(--transition);
}
.stat-card:hover { transform: translateY(-2px); box-shadow: var(--shadow); }
.stat-value {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent);
    line-height: 1;
    margin-bottom: .35rem;
}
.stat-label {
    display: block;
    font-size: .7rem;
    font-weight: 600;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: .08em;
}

/* ============ GRID & CARDS ============ */
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(420px, 1fr)); gap: 1.5rem; margin-bottom: 1.5rem; }
.card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition), box-shadow var(--transition);
}
.card:hover { transform: translateY(-2px); box-shadow: var(--shadow); }
.card h2 { margin-top: 0; margin-bottom: 1rem; font-size: 1.1rem; font-weight: 600; }
.card-desc { color: var(--muted); font-size: .8rem; margin: -.25rem 0 1rem; }

.timeline-card { grid-column: 1 / -1; }
.timeline-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: .75rem; flex-wrap: wrap; gap: .75rem; }
.timeline-header h2 { margin: 0; }

/* ============ FORM ELEMENTS ============ */
.row { display: flex; gap: .5rem; align-items: center; margin: .5rem 0; flex-wrap: wrap; }

input, textarea, select { font: inherit; }
input, textarea {
    width: 100%;
    padding: .7rem .85rem;
    border: 1.5px solid var(--border);
    border-radius: 8px;
    background: var(--bg);
    color: var(--text);
    font-size: .9rem;
    transition: border-color var(--transition), box-shadow var(--transition);
}
input:focus, textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

button {
    padding: .6rem 1.1rem;
    border: none;
    background: var(--accent);
    color: white;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 500;
    font-size: .85rem;
    transition: all var(--transition);
    display: inline-flex;
    align-items: center;
    gap: .35rem;
}
button:hover { background: var(--accent-hover); transform: translateY(-1px); }
button:active { transform: translateY(0); }
button:disabled { background: var(--muted); cursor: not-allowed; opacity: .5; }
.btn-secondary {
    background: var(--card);
    color: var(--text);
    border: 1.5px solid var(--border);
}
.btn-secondary:hover { background: var(--bg-alt); border-color: var(--muted); }
.btn-danger { background: var(--danger); }
.btn-danger:hover { background: var(--danger-hover); }

.badge {
    display: inline-flex;
    align-items: center;
    gap: .3rem;
    padding: .4rem .65rem;
    border: 1.5px solid var(--border);
    border-radius: 8px;
    background: var(--badge-bg);
    font-size: .8rem;
    color: var(--text);
    cursor: pointer;
    transition: all var(--transition);
}
.badge:hover { background: var(--card); border-color: var(--muted); transform: translateY(-1px); }

/* ============ LISTS ============ */
.list { list-style: none; padding: 0; margin: .5rem 0 0; max-height: 450px; overflow-y: auto; }
.list li {
    padding: .85rem 1rem;
    border: 1.5px solid var(--border);
    border-radius: 10px;
    margin-bottom: .5rem;
    background: var(--bg);
    transition: all var(--transition);
}
.list li:hover { border-color: var(--accent); box-shadow: 0 2px 6px var(--accent-glow); transform: translateY(-1px); }
.list li strong { font-weight: 600; }
.list li small { color: var(--muted); font-size: .75rem; }
.list li p { margin: .35rem 0 0; font-size: .85rem; color: var(--text-secondary); }

/* ============ TIMELINE ============ */
.timeline { list-style: none; padding-left: 0; max-height: 300px; overflow-y: auto; }
.timeline li {
    display: flex;
    align-items: center;
    gap: .6rem;
    padding: .6rem .85rem;
    border: 1px dashed var(--border);
    border-radius: 8px;
    margin-bottom: .35rem;
    font-size: .8rem;
    background: var(--card);
    transition: background var(--transition);
}
.timeline li:hover { background: var(--bg-alt); }
.timeline .status { font-size: .65rem; font-weight: 700; padding: .15rem .45rem; border-radius: 4px; color: white; text-transform: uppercase; letter-spacing: .04em; }
.status-ok { background: var(--ok); }
.status-merged { background: var(--merged); }
.status-error { background: var(--error); }
.status-skip { background: var(--skip); }

.legend-row { display: flex; gap: .5rem; margin-top: .75rem; flex-wrap: wrap; }
.legend { font-size: .65rem; font-weight: 700; padding: .2rem .45rem; border-radius: 4px; color: white; }
.legend-ok { background: var(--ok); }
.legend-merged { background: var(--merged); }
.legend-error { background: var(--error); }
.legend-skip { background: var(--skip); }

/* ============ FOOTER ============ */
.app-footer { padding: 2rem; color: var(--muted); text-align: center; font-size: .8rem; }

/* ============ MODAL ============ */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,.45);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    display: grid;
    place-items: center;
    z-index: 100;
    animation: fadeIn 0.2s ease;
}
.modal-overlay[hidden] { display: none !important; }

.modal-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    width: min(480px, calc(100vw - 2rem));
    box-shadow: var(--shadow-xl);
    animation: modalEnter 0.25s cubic-bezier(.22,1,.36,1) both;
    overflow: hidden;
}
@keyframes modalEnter {
    from { opacity: 0; transform: translateY(16px) scale(.97); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--border);
}
.modal-header h3 { font-size: 1.05rem; font-weight: 600; margin: 0; }
.modal-close {
    width: 32px; height: 32px;
    display: grid; place-items: center;
    border-radius: 8px;
    font-size: 1.25rem;
    background: var(--bg-alt);
    color: var(--text);
    border: 1px solid var(--border);
    cursor: pointer;
    line-height: 1;
    padding: 0;
}
.modal-close:hover { background: var(--danger); color: white; border-color: var(--danger); transform: none; }

.modal-body { padding: 1.25rem 1.5rem; display: flex; flex-direction: column; gap: .85rem; }
.modal-body label { font-size: .8rem; font-weight: 600; color: var(--text-secondary); margin-bottom: -.5rem; }
.modal-body .confirm-text { font-size: .9rem; color: var(--text-secondary); line-height: 1.5; }
.modal-body .confirm-item-name { font-weight: 600; color: var(--text); }

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: .5rem;
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--border);
    background: var(--bg-alt);
}

/* ============ SPINNER ============ */
.spinner {
    position: fixed;
    inset: 0;
    display: none;
    place-items: center;
    z-index: 200;
    background: rgba(0,0,0,.2);
    backdrop-filter: blur(4px);
}
.spinner:not([hidden]) { display: grid; }
.spinner-ring {
    width: 40px; height: 40px;
    border: 3px solid var(--border);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ============ SNACKBAR ============ */
.snackbar {
    position: fixed;
    bottom: 1.5rem;
    left: 50%;
    transform: translateX(-50%);
    background: var(--text);
    color: var(--bg);
    border: none;
    border-radius: 10px;
    padding: .7rem 1.25rem;
    font-size: .85rem;
    font-weight: 500;
    box-shadow: var(--shadow-lg);
    z-index: 300;
    animation: snackUp .3s cubic-bezier(.22,1,.36,1);
}
.snackbar[hidden] { display: none; }
@keyframes snackUp {
    from { transform: translate(-50%, 60px); opacity: 0; }
    to { transform: translate(-50%, 0); opacity: 1; }
}

/* ============ RESPONSIVE ============ */
@media (max-width: 768px) {
    .grid { grid-template-columns: 1fr; }
    .app-header { flex-direction: column; align-items: flex-start; padding: 1rem; }
    .login-card { padding: 2rem 1.5rem; }
    .main-container { padding: 1rem; }
}