/* Variables compartidas */
:root {
    --blue:    #3b82f6;
    --blue-dk: #2563eb;
    --yellow:  #facc15;
    --red:     #dc2626;
    --green:   #16a34a;
    --bg:      #111827;
    --surface: #1f2937;
    --surface2:#273548;
    --border:  #374151;
    --muted:   #6b7280;
    --text:    #f9fafb;
    --color-bg: #0f172a;
    --color-card: rgba(30, 41, 59, 0.7);
    --color-border: rgba(255, 255, 255, 0.08);
    --color-accent: #3b82f6;
}

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

body {
    font-family: 'Inter', sans-serif;
    min-height: 100vh;
}

/* ── Página: Index (Login) ── */
body.page-index {
    background-color: var(--bg);
    display: flex;
    align-items: center;
    justify-content: center;
}

.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 40px;
    width: 400px;
    box-shadow: 0 24px 60px rgba(0,0,0,0.5);
}

.card-header {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 14px;
    margin-bottom: 32px;
}
.logo {
    width: 48px; height: 48px;
    background: var(--blue);
    border-radius: 12px;
    display: flex; align-items: center; justify-content: center;
}
.logo svg { width: 26px; height: 26px; stroke: #fff; }
.card-header h1 {
    font-size: 20px;
    font-weight: 700;
    color: var(--text);
    letter-spacing: -0.02em;
}
.card-header p {
    font-size: 13px;
    color: var(--muted);
    margin-top: -8px;
}

.error-box {
    background: rgba(220,38,38,0.1);
    border: 1px solid rgba(220,38,38,0.3);
    color: #f87171;
    border-radius: 8px;
    padding: 10px 14px;
    font-size: 13px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 8px;
}
.error-box svg { flex-shrink: 0; }

.field { margin-bottom: 16px; }
.field label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    color: var(--muted);
    margin-bottom: 6px;
}
.field input {
    width: 100%;
    background: var(--bg);
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 10px 14px;
    font-size: 14px;
    font-family: 'Inter', sans-serif;
    outline: none;
    transition: border-color 0.15s, box-shadow 0.15s;
}
.field input:focus {
    border-color: var(--blue);
    box-shadow: 0 0 0 3px rgba(59,130,246,0.15);
}
.field input::placeholder { color: #4b5563; }

.btn-submit {
    width: 100%;
    background: var(--blue);
    color: #fff;
    border: none;
    border-radius: 8px;
    padding: 11px;
    font-size: 14px;
    font-weight: 600;
    font-family: 'Inter', sans-serif;
    cursor: pointer;
    margin-top: 8px;
    transition: background 0.15s, box-shadow 0.15s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}
.btn-submit:hover {
    background: var(--blue-dk);
    box-shadow: 0 0 20px rgba(59,130,246,0.25);
}

.card-footer {
    margin-top: 24px;
    padding-top: 20px;
    border-top: 1px solid var(--border);
    text-align: center;
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    color: #374151;
}

/* ── Página: Monitor ── */
body.page-monitor {
    background-color: var(--bg);
    color: var(--text);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.top-bar {
    position: fixed;
    top: 0; left: 0; right: 0;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 24px;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    z-index: 100;
}

.brand { display: flex; align-items: center; gap: 12px; }
.brand-icon {
    width: 32px; height: 32px;
    background: var(--blue);
    border-radius: 8px;
    display: flex; align-items: center; justify-content: center;
}
.brand-icon svg { width: 18px; height: 18px; color: #fff; stroke: #fff; }
.brand-text { font-size: 15px; font-weight: 600; color: var(--text); }
.brand-sub { font-size: 11px; color: var(--muted); }

.top-actions { display: flex; gap: 8px; align-items: center; }

.status-pill {
    display: flex; align-items: center; gap: 6px;
    background: rgba(22,163,74,0.12);
    border: 1px solid rgba(22,163,74,0.3);
    color: #4ade80;
    font-size: 12px; font-weight: 500;
    padding: 5px 12px; border-radius: 999px;
    font-family: 'JetBrains Mono', monospace;
}
.status-dot {
    width: 6px; height: 6px;
    border-radius: 50%;
    background: #4ade80;
    box-shadow: 0 0 6px #4ade80;
    animation: pulse 2s infinite;
}
@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

.btn-icon {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--muted);
    padding: 8px; border-radius: 8px;
    cursor: pointer; transition: all 0.15s;
    display: flex; align-items: center; justify-content: center;
}
.btn-icon:hover { background: var(--border); color: var(--text); }

.btn-logout {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--muted);
    padding: 7px 16px; border-radius: 8px;
    cursor: pointer;
    font-family: 'Inter', sans-serif; font-size: 13px; font-weight: 500;
    text-decoration: none; transition: all 0.15s;
    display: flex; align-items: center; gap: 6px;
}
.btn-logout:hover {
    background: rgba(220,38,38,0.1);
    border-color: rgba(220,38,38,0.4);
    color: #f87171;
}

.main {
    position: relative; z-index: 10;
    display: flex; flex-direction: column;
    align-items: center; gap: 14px;
    padding-top: 56px;
}

.page-header { text-align: center; padding: 18px 0 2px; }
.page-header h1 { font-size: 22px; font-weight: 700; color: var(--text); letter-spacing: -0.02em; }
.page-header h1 span { color: var(--blue); }
.page-header p { font-size: 13px; color: var(--muted); margin-top: 4px; }

canvas { position: absolute; top: 0; left: 0; }

.video-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 16px; padding: 10px;
    box-shadow: 0 24px 60px rgba(0,0,0,0.5);
}

.video-container {
    position: relative;
    width: 640px; height: 480px;
    border-radius: 10px;
    overflow: hidden;
    background: #000;
}

#video {
    width: 640px; height: 480px;
    display: block;
    transform: scaleX(-1);
}

#scan-status {
    position: absolute;
    bottom: 0; left: 0; right: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.85), transparent);
    text-align: center; padding: 28px 16px 12px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 12px; letter-spacing: 0.04em;
    color: var(--yellow);
    z-index: 18;
}
#scan-status.hidden { display: none; }

#toast-container {
    position: fixed; top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    z-index: 200;
}

@keyframes popIn {
    0%   { transform: scale(0.85); opacity: 0; }
    70%  { transform: scale(1.03); opacity: 1; }
    100% { transform: scale(1);    opacity: 1; }
}
@keyframes fadeOut {
    to { opacity: 0; transform: scale(0.95) translateY(-8px); }
}

.toast {
    animation: popIn 0.35s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
    border-radius: 16px; padding: 32px 48px;
    display: flex; flex-direction: column;
    align-items: center; gap: 12px;
    min-width: 340px; text-align: center;
    backdrop-filter: blur(20px);
}
.toast.toast-green {
    background: rgba(22,163,74,0.15); border: 1px solid rgba(22,163,74,0.35);
    box-shadow: 0 0 50px rgba(22,163,74,0.12); color: #4ade80;
}
.toast.toast-red {
    background: rgba(220,38,38,0.15); border: 1px solid rgba(220,38,38,0.35);
    box-shadow: 0 0 50px rgba(220,38,38,0.12); color: #f87171;
}
.toast.toast-yellow {
    background: rgba(250,204,21,0.12); border: 1px solid rgba(250,204,21,0.3);
    box-shadow: 0 0 50px rgba(250,204,21,0.08); color: var(--yellow);
}
.toast span { font-size: 18px; font-weight: 600; letter-spacing: -0.01em; }

/* ── Página: Subir Documentos ── */
body.page-docs {
    background-color: var(--color-bg);
    background-image: radial-gradient(circle at 10% 20%, rgba(59, 130, 246, 0.08) 0%, transparent 40%),
                      radial-gradient(circle at 90% 80%, rgba(99, 102, 241, 0.08) 0%, transparent 40%);
    color: #f1f5f9;
    font-family: 'Outfit', -apple-system, sans-serif;
}

.glass-card {
    background: var(--color-card);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--color-border);
    border-radius: 16px;
}

.input-glass {
    background: rgba(15, 23, 42, 0.6) !important;
    border: 1px solid rgba(255, 255, 255, 0.1) !important;
    color: white !important;
    border-radius: 8px !important;
    transition: all 0.3s ease;
}

.input-glass:focus {
    border-color: var(--color-accent) !important;
    box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.2) !important;
    outline: none;
}

.file-upload-row {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: all 0.2s ease;
}

.file-upload-row:hover {
    background: rgba(255, 255, 255, 0.04);
    border-color: rgba(59, 130, 246, 0.2);
}

.progress-bar-inner {
    transition: width 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}