/* ═════════════════════════════════════════════
   registro.css — ZLS Academy Registration
   Estética: CRT Terminal / Cyberpunk Red Glow
   Inspirado en zombielakestudios.com mainframe
   ═════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@300;400;500;600;700;800&display=swap');

:root {
    --bg-deep:       #000000;
    --bg-card:       #0a0a0a;
    --bg-surface:    #111111;
    --border:        #1a1a1a;
    --border-light:  #2a2a2a;
    --border-red:    rgba(255, 0, 0, 0.25);
    --text-primary:  #cccccc;
    --text-secondary:#666666;
    --text-muted:    #3a3a3a;
    --accent-red:    #ff0000;
    --accent-dim-red:#880000;
    --accent-green:  #00ff41;
    --accent-blue:   #58a6ff;
    --accent-yellow: #ffcc00;
    --glow-red:      rgba(255, 0, 0, 0.08);
    --glow-red-strong: rgba(255, 0, 0, 0.15);
    --glow-green:    rgba(0, 255, 65, 0.08);
    --glow-yellow:   rgba(255, 204, 0, 0.08);
    --radius:        4px;
    --radius-lg:     8px;
    --font-mono:     'JetBrains Mono', 'Fira Code', 'Courier New', monospace;
    --transition:    0.25s ease;
    --scanline-opacity: 0.035;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
    font-family: var(--font-mono);
    background: var(--bg-deep);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
}

/* ═══ CRT Scanlines Overlay ═══ */
body::after {
    content: '';
    position: fixed;
    inset: 0;
    background: repeating-linear-gradient(
        0deg,
        transparent,
        transparent 2px,
        rgba(0, 0, 0, var(--scanline-opacity)) 2px,
        rgba(0, 0, 0, var(--scanline-opacity)) 4px
    );
    pointer-events: none;
    z-index: 9999;
}

/* ═══ Background — Red Glow ═══ */
.bg-gradient {
    position: fixed;
    inset: 0;
    background:
        radial-gradient(ellipse 100% 80% at 50% 0%, rgba(255, 0, 0, 0.06), transparent 60%),
        radial-gradient(ellipse 80% 60% at 100% 50%, rgba(255, 0, 0, 0.03), transparent),
        radial-gradient(ellipse 80% 60% at 0% 50%, rgba(255, 0, 0, 0.03), transparent);
    pointer-events: none;
    z-index: 0;
    animation: pulse-bg 8s ease-in-out infinite alternate;
}

@keyframes pulse-bg {
    0%   { opacity: 0.6; }
    100% { opacity: 1; }
}

/* ═══ Container ═══ */
.container {
    position: relative;
    z-index: 1;
    max-width: 680px;
    margin: 0 auto;
    padding: 40px 24px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

/* ═══ Header ═══ */
.header {
    text-align: center;
    margin-bottom: 48px;
    width: 100%;
}

.header-icon {
    font-size: 14px;
    margin-bottom: 20px;
    display: block;
    color: var(--text-muted);
    letter-spacing: 2px;
    animation: none;
    /* Replace emoji with ASCII art brand */
}

/* Override emoji with ASCII text */
.header-icon {
    font-size: 0;
    color: transparent;
    display: none; /* Hide the old header icon entirely */
}

/* ═══ Main ZLS ASCII Logo ═══ */
.zls-ascii-logo {
    font-family: var(--font-mono);
    font-size: clamp(1px, 0.25vw, 2.8px); /* 60% más pequeño para que quepa perfecto */
    line-height: 1.05;
    white-space: pre;
    margin: 0 auto 24px auto;
    text-align: center;
    user-select: none;
    overflow: hidden;
    display: block;
    width: 100%;
}

.zls-ascii-red {
    color: #ff0000; /* Rojo vibrante ZLS */
    text-shadow: 0 0 5px rgba(255, 0, 0, 0.6), 0 0 10px rgba(255, 0, 0, 0.2);
}

.zls-ascii-white {
    color: #ffffff; /* Blanco puro / brillante */
    text-shadow: 0 0 4px rgba(255, 255, 255, 0.3);
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-4px); }
}

.header h1 {
    font-family: var(--font-mono);
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--accent-red);
    text-shadow: 0 0 30px rgba(255, 0, 0, 0.4), 0 0 60px rgba(255, 0, 0, 0.15);
    margin-bottom: 16px;
    letter-spacing: 3px;
    text-transform: uppercase;
    -webkit-background-clip: unset;
    -webkit-text-fill-color: unset;
    background: none;
}

/* ═══ Role Cards ═══ */
.role-cards {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    width: 100%;
    max-width: 520px;
}

.role-card {
    background: var(--bg-card);
    border: 1px solid var(--border-red);
    border-radius: var(--radius-lg);
    padding: 36px 20px;
    text-align: center;
    cursor: pointer;
    transition: all var(--transition);
    position: relative;
    overflow: hidden;
}

.role-card::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: var(--radius-lg);
    opacity: 0;
    transition: opacity var(--transition);
}

.role-card.teacher::before {
    background: radial-gradient(ellipse at center, var(--glow-red), transparent 70%);
}

.role-card.student::before {
    background: radial-gradient(ellipse at center, var(--glow-red), transparent 70%);
}

.role-card:hover {
    border-color: var(--accent-red);
    transform: translateY(-3px);
    box-shadow:
        0 0 20px rgba(255, 0, 0, 0.15),
        0 0 40px rgba(255, 0, 0, 0.05),
        inset 0 0 20px rgba(255, 0, 0, 0.03);
}

.role-card:hover::before { opacity: 1; }
.role-card:active { transform: translateY(-1px) scale(0.98); }

.role-card .card-icon {
    font-size: 48px;
    display: block;
    margin-bottom: 14px;
    position: relative;
    z-index: 1;
    filter: grayscale(0.3);
}

.role-card .card-title {
    font-family: var(--font-mono);
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 8px;
    position: relative;
    z-index: 1;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.role-card.teacher .card-title { color: var(--accent-red); }
.role-card.student .card-title { color: var(--accent-red); }

.role-card .card-desc {
    color: var(--text-secondary);
    font-size: 0.72rem;
    line-height: 1.6;
    position: relative;
    z-index: 1;
}

/* ═══ Form Panel ═══ */
.form-panel {
    width: 100%;
    max-width: 480px;
    display: none;
    animation: slideUp 0.4s ease;
}

.form-panel.active { display: block; }

@keyframes slideUp {
    from { opacity: 0; transform: translateY(16px); }
    to { opacity: 1; transform: translateY(0); }
}

.form-card {
    background: var(--bg-card);
    border: 1px solid var(--border-red);
    border-radius: var(--radius-lg);
    padding: 32px 28px;
    box-shadow: 0 0 30px rgba(255, 0, 0, 0.06);
}

.form-card .form-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 28px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border);
}

.form-card .form-icon {
    font-size: 28px;
    filter: grayscale(0.3);
}

.form-card .form-title {
    font-family: var(--font-mono);
    font-size: 1rem;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--text-primary);
}

.form-card .form-subtitle {
    font-size: 0.72rem;
    color: var(--text-secondary);
    margin-top: 4px;
}

.form-field {
    margin-bottom: 20px;
}

.form-field label {
    display: block;
    font-family: var(--font-mono);
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--accent-dim-red);
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 1.5px;
}

.form-field input {
    width: 100%;
    padding: 14px 16px;
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text-primary);
    font-size: 0.9rem;
    font-family: var(--font-mono);
    transition: all var(--transition);
    outline: none;
}

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

.form-field input:focus {
    border-color: var(--accent-red);
    box-shadow: 0 0 0 2px rgba(255, 0, 0, 0.1), 0 0 15px rgba(255, 0, 0, 0.08);
}

.form-field select {
    width: 100%;
    padding: 14px 16px;
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text-primary);
    font-size: 0.9rem;
    font-family: var(--font-mono);
    transition: all var(--transition);
    outline: none;
    appearance: none;
    -webkit-appearance: none;
    cursor: pointer;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%23ff0000' d='M1 1l5 5 5-5'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    background-size: 12px;
    padding-right: 40px;
}

.form-field select:focus {
    border-color: var(--accent-red);
    box-shadow: 0 0 0 2px rgba(255, 0, 0, 0.1), 0 0 15px rgba(255, 0, 0, 0.08);
}

.form-field select option {
    background: var(--bg-card);
    color: var(--text-primary);
}

/* ═══ Buttons ═══ */
.btn-verify {
    width: 100%;
    padding: 14px;
    background: transparent;
    border: 1px solid var(--accent-red);
    border-radius: var(--radius);
    color: var(--accent-red);
    font-size: 0.85rem;
    font-weight: 700;
    font-family: var(--font-mono);
    cursor: pointer;
    transition: all var(--transition);
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-top: 8px;
    position: relative;
    overflow: hidden;
}

.btn-verify::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255,0,0,0.08), rgba(255,0,0,0.02));
    opacity: 0;
    transition: opacity var(--transition);
}

.btn-verify:hover {
    background: rgba(255, 0, 0, 0.08);
    box-shadow: 0 0 25px rgba(255, 0, 0, 0.2), inset 0 0 25px rgba(255, 0, 0, 0.05);
    text-shadow: 0 0 10px rgba(255, 0, 0, 0.5);
    transform: translateY(-1px);
}

.btn-verify:hover::before { opacity: 1; }
.btn-verify:active { transform: translateY(0); }

.btn-verify:disabled {
    opacity: 0.3;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.btn-back {
    display: flex;
    align-items: center;
    gap: 6px;
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 0.75rem;
    font-family: var(--font-mono);
    cursor: pointer;
    margin-bottom: 20px;
    padding: 8px 0;
    transition: color var(--transition);
    letter-spacing: 1px;
    text-transform: uppercase;
}

.btn-back:hover { color: var(--accent-red); }

/* ═══ Error ═══ */
.form-error {
    background: rgba(255, 0, 0, 0.05);
    border: 1px solid rgba(255, 0, 0, 0.2);
    border-radius: var(--radius);
    padding: 14px 16px;
    color: var(--accent-red);
    font-size: 0.8rem;
    margin-top: 16px;
    display: none;
    animation: slideUp 0.3s ease;
    font-family: var(--font-mono);
}

.form-error.visible { display: block; }

/* ═══ Result Panel ═══ */
.result-panel {
    width: 100%;
    max-width: 480px;
    display: none;
    animation: slideUp 0.5s ease;
}

.result-panel.active { display: block; }

.result-card {
    background: var(--bg-card);
    border: 1px solid var(--border-red);
    border-radius: var(--radius-lg);
    padding: 32px 28px;
    text-align: center;
    box-shadow: 0 0 30px rgba(255, 0, 0, 0.06);
}

.result-card .result-icon {
    font-size: 42px;
    margin-bottom: 16px;
    display: block;
}

.result-card h2 {
    font-family: var(--font-mono);
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 4px;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.result-card .result-school {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px;
    border-radius: var(--radius);
    font-size: 0.75rem;
    font-weight: 600;
    margin: 12px 0 24px;
    border: 1px solid var(--border);
    background: var(--bg-surface);
    letter-spacing: 0.5px;
}

.result-card .school-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    display: inline-block;
    box-shadow: 0 0 6px currentColor;
}

.result-card .info-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    margin-bottom: 24px;
    text-align: left;
}

.result-card .info-item {
    padding: 12px 14px;
    background: var(--bg-surface);
    border-radius: var(--radius);
    border: 1px solid var(--border);
}

.result-card .info-label {
    font-family: var(--font-mono);
    font-size: 0.6rem;
    color: var(--accent-dim-red);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: 4px;
}

.result-card .info-value {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-primary);
    word-break: break-all;          /* Añadido para móviles */
    overflow-wrap: break-word;      /* Añadido para móviles */
}

/* ═══ Invite Link Area ═══ */
.invite-area {
    padding: 20px;
    border-radius: var(--radius);
    border: 1px solid;
    margin-top: 8px;
    text-align: left;
}

.invite-area.ready {
    background: var(--glow-green);
    border-color: rgba(0, 255, 65, 0.2);
}

.invite-area.pending {
    background: var(--glow-yellow);
    border-color: rgba(255, 204, 0, 0.2);
}

.invite-area.used {
    background: rgba(88, 166, 255, 0.05);
    border-color: rgba(88, 166, 255, 0.2);
}

.invite-area .invite-label {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: 12px;
}

.invite-area.ready .invite-label { color: var(--accent-green); text-shadow: 0 0 10px rgba(0,255,65,0.4); }
.invite-area.pending .invite-label { color: var(--accent-yellow); }
.invite-area.used .invite-label { color: var(--accent-blue); }

.invite-link {
    display: flex;
    align-items: center;
    gap: 10px;
    background: var(--bg-deep);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 12px 14px;
    cursor: pointer;
    transition: all var(--transition);
}

.invite-link:hover {
    border-color: var(--accent-green);
    box-shadow: 0 0 15px rgba(0, 255, 65, 0.1);
}

.invite-link code {
    flex: 1;
    font-family: var(--font-mono);
    font-size: 0.82rem;
    color: var(--accent-green);
    text-align: left;
    word-break: break-all;
    text-shadow: 0 0 8px rgba(0,255,65,0.3);
}

.invite-link .copy-icon {
    color: var(--text-muted);
    font-size: 18px;
    transition: color var(--transition);
}

.invite-link:hover .copy-icon { color: var(--accent-green); }

.invite-link .copied-text {
    color: var(--accent-green);
    font-family: var(--font-mono);
    font-size: 0.7rem;
    font-weight: 600;
    display: none;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.invite-message {
    font-size: 0.8rem;
    color: var(--text-secondary);
    line-height: 1.7;
    font-family: var(--font-mono);
}

.invite-message strong {
    color: var(--text-primary);
}

/* ═══ Loading Spinner ═══ */
.spinner {
    display: none;
    width: 22px;
    height: 22px;
    border: 2px solid rgba(255, 0, 0, 0.15);
    border-top-color: var(--accent-red);
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
    margin: 0 auto;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* ═══ Blinking Cursor Effect ═══ */
@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0; }
}

/* ═══ Footer ═══ */
.footer {
    margin-top: 48px;
    text-align: center;
    color: var(--text-muted);
    font-family: var(--font-mono);
    font-size: 0.65rem;
    letter-spacing: 1px;
    border-top: 1px solid var(--border);
    padding-top: 24px;
    width: 100%;
    max-width: 520px;
}

.footer a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color var(--transition);
}

.footer a:hover { color: var(--accent-red); }

/* ═══ Responsive ═══ */
@media (max-width: 580px) {
    .container { padding: 32px 16px; }
    .header h1 { font-size: 1.3rem; }
    .header-icon::before { font-size: 10px; }
    .role-cards { grid-template-columns: 1fr; max-width: 320px; }
    .role-card { padding: 28px 18px; }
    .form-card { padding: 24px 18px; }
    .result-card { padding: 24px 18px; }
    .result-card .info-grid { grid-template-columns: 1fr; }
}