/* ========================================
   ID Card Scanner — Styles
   ======================================== */

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

/* --- CSS Custom Properties --- */
:root {
    --bg-primary: #0a0e1a;
    --bg-secondary: #111827;
    --bg-glass: rgba(17, 24, 39, 0.7);
    --bg-glass-light: rgba(30, 41, 59, 0.6);
    --border-glass: rgba(99, 102, 241, 0.2);
    --border-glass-hover: rgba(99, 102, 241, 0.4);
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --accent: #6366f1;
    --accent-light: #818cf8;
    --accent-glow: rgba(99, 102, 241, 0.3);
    --success: #10b981;
    --success-glow: rgba(16, 185, 129, 0.3);
    --error: #ef4444;
    --error-glow: rgba(239, 68, 68, 0.3);
    --warning: #f59e0b;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 24px;
    --shadow-lg: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* --- Reset & Base --- */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
    background-image:
        radial-gradient(ellipse at 20% 50%, rgba(99, 102, 241, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 20%, rgba(16, 185, 129, 0.06) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 80%, rgba(99, 102, 241, 0.04) 0%, transparent 50%);
}

/* --- App Container --- */
.app-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* --- Login Screen --- */
.login-screen {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 20px;
}

.login-card {
    width: 100%;
    max-width: 420px;
    text-align: center;
}

.login-logo {
    font-size: 3rem;
    margin-bottom: 8px;
}

.login-title {
    font-size: 1.6rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--accent-light), var(--success));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 6px;
}

.login-subtitle {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 24px;
}

.login-form {
    display: flex;
    flex-direction: column;
    gap: 16px;
    text-align: left;
}

.login-btn {
    width: 100%;
    padding: 14px;
    margin-top: 4px;
    font-size: 0.9rem;
}

.login-error {
    background: rgba(239, 68, 68, 0.12);
    border: 1px solid rgba(239, 68, 68, 0.3);
    border-radius: var(--radius-sm);
    color: var(--error);
    padding: 10px 14px;
    font-size: 0.82rem;
    text-align: center;
}

/* --- Header Row --- */
.header-row {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 16px;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}

.user-name {
    font-size: 0.82rem;
    color: var(--text-secondary);
    font-weight: 500;
}

/* --- Header --- */
.app-header {
    text-align: center;
    padding: 20px 0 30px;
}

.app-title {
    font-size: 1.8rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--accent-light), var(--success));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.02em;
}

.app-subtitle {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-top: 6px;
    font-weight: 400;
}

/* --- Status Badge --- */
.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 18px;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 500;
    margin-top: 16px;
    transition: var(--transition);
}

.status-badge::before {
    content: '';
    width: 8px;
    height: 8px;
    border-radius: 50%;
    animation: pulse-dot 2s infinite;
}

.status-scanning {
    background: rgba(99, 102, 241, 0.15);
    color: var(--accent-light);
    border: 1px solid rgba(99, 102, 241, 0.3);
}

.status-scanning::before {
    background: var(--accent);
}

.status-success {
    background: rgba(16, 185, 129, 0.15);
    color: var(--success);
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.status-success::before {
    background: var(--success);
    animation: none;
}

.status-error {
    background: rgba(239, 68, 68, 0.15);
    color: var(--error);
    border: 1px solid rgba(239, 68, 68, 0.3);
}

.status-error::before {
    background: var(--error);
    animation: none;
}

.status-loading {
    background: rgba(245, 158, 11, 0.15);
    color: var(--warning);
    border: 1px solid rgba(245, 158, 11, 0.3);
}

.status-loading::before {
    background: var(--warning);
}

@keyframes pulse-dot {

    0%,
    100% {
        opacity: 1;
        transform: scale(1);
    }

    50% {
        opacity: 0.5;
        transform: scale(0.8);
    }
}

/* --- Main Layout --- */
.main-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    flex: 1;
    align-items: start;
}

/* --- Glass Panel --- */
.glass-panel {
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-xl);
    padding: 24px;
    transition: var(--transition);
    box-shadow: var(--shadow-lg);
}

.glass-panel:hover {
    border-color: var(--border-glass-hover);
}

/* --- Camera Panel --- */
.camera-panel {
    position: relative;
    overflow: hidden;
}

.camera-wrapper {
    position: relative;
    width: 100%;
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: #000;
    aspect-ratio: 16 / 10;
}

#camera-feed {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* Card overlay guide */
.card-overlay {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80%;
    height: 60%;
    border: 2px dashed rgba(99, 102, 241, 0.5);
    border-radius: var(--radius-md);
    pointer-events: none;
    transition: var(--transition);
}

.card-overlay::before {
    content: 'Posicione la credencial aquí';
    position: absolute;
    bottom: -30px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 0.75rem;
    color: var(--text-secondary);
    white-space: nowrap;
    background: rgba(0, 0, 0, 0.6);
    padding: 4px 12px;
    border-radius: 20px;
}

/* Corner markers */
.card-overlay::after {
    content: '';
    position: absolute;
    inset: -2px;
    border-radius: var(--radius-md);
    background:
        linear-gradient(to right, var(--accent) 20px, transparent 20px) top left,
        linear-gradient(to right, var(--accent) 20px, transparent 20px) bottom left,
        linear-gradient(to left, var(--accent) 20px, transparent 20px) top right,
        linear-gradient(to left, var(--accent) 20px, transparent 20px) bottom right,
        linear-gradient(to bottom, var(--accent) 20px, transparent 20px) top left,
        linear-gradient(to bottom, var(--accent) 20px, transparent 20px) top right,
        linear-gradient(to top, var(--accent) 20px, transparent 20px) bottom left,
        linear-gradient(to top, var(--accent) 20px, transparent 20px) bottom right;
    background-size: 24px 24px;
    background-repeat: no-repeat;
}

.card-overlay.scanning-pulse {
    border-color: var(--accent);
    box-shadow: 0 0 20px var(--accent-glow), inset 0 0 20px var(--accent-glow);
}

/* Scan line animation */
@keyframes scan-line {
    0% {
        top: 0;
    }

    100% {
        top: calc(100% - 2px);
    }
}

.card-overlay.scanning-pulse::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--accent), transparent);
    animation: scan-line 1.5s ease-in-out infinite alternate;
}

/* Loading overlay */
.loading-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 16px;
    border-radius: var(--radius-lg);
    z-index: 10;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid rgba(99, 102, 241, 0.2);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

.loading-overlay span {
    color: var(--text-secondary);
    font-size: 0.85rem;
}

/* Camera error */
.camera-error {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.9);
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    border-radius: var(--radius-lg);
    z-index: 10;
    padding: 20px;
    text-align: center;
}

.camera-error .error-icon {
    font-size: 2.5rem;
}

.camera-error p {
    color: var(--error);
    font-size: 0.85rem;
    line-height: 1.5;
}

/* Camera actions */
.camera-actions {
    display: flex;
    gap: 12px;
    margin-top: 16px;
}

.panel-title {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-primary);
}

.panel-title .icon {
    font-size: 1.2rem;
}

/* --- Form Panel --- */
.form-panel {
    transition: var(--transition);
}

.form-panel.form-success {
    border-color: rgba(16, 185, 129, 0.5);
    box-shadow: 0 0 30px var(--success-glow);
}

.form-grid {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-row.form-row-3 {
    grid-template-columns: 1fr 1fr 1fr;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-group.full-width {
    grid-column: 1 / -1;
}

.form-group label {
    font-size: 0.78rem;
    font-weight: 500;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.form-group input,
.form-group textarea {
    background: var(--bg-glass-light);
    border: 1px solid rgba(99, 102, 241, 0.15);
    border-radius: var(--radius-sm);
    padding: 12px 14px;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.9rem;
    transition: var(--transition);
    outline: none;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-muted);
}

.form-group textarea {
    resize: vertical;
    min-height: 70px;
}

/* Field auto-fill animation */
.form-group input.field-filled,
.form-group textarea.field-filled {
    border-color: var(--success);
    box-shadow: 0 0 0 3px var(--success-glow);
    animation: field-pop 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes field-pop {
    0% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.02);
    }

    100% {
        transform: scale(1);
    }
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    border: none;
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.btn:active {
    transform: scale(0.97);
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent), #4f46e5);
    color: white;
    box-shadow: 0 4px 15px var(--accent-glow);
}

.btn-primary:hover {
    box-shadow: 0 6px 25px rgba(99, 102, 241, 0.5);
    transform: translateY(-1px);
}

.btn-primary:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

.btn-secondary {
    background: var(--bg-glass-light);
    color: var(--text-secondary);
    border: 1px solid rgba(99, 102, 241, 0.2);
}

.btn-secondary:hover {
    background: rgba(30, 41, 59, 0.8);
    color: var(--text-primary);
    border-color: var(--accent);
}

.btn-success {
    background: linear-gradient(135deg, var(--success), #059669);
    color: white;
    box-shadow: 0 4px 15px var(--success-glow);
    flex: 1;
}

.btn-success:hover {
    box-shadow: 0 6px 25px rgba(16, 185, 129, 0.5);
    transform: translateY(-1px);
}

.btn-success:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

.form-actions {
    display: flex;
    gap: 12px;
    margin-top: 8px;
}

/* --- API Key Section --- */
.api-key-section {
    background: var(--bg-glass-light);
    border: 1px solid rgba(99, 102, 241, 0.15);
    border-radius: var(--radius-md);
    padding: 14px;
    margin-bottom: 16px;
}

.api-key-label {
    font-size: 0.78rem;
    font-weight: 500;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    display: block;
    margin-bottom: 8px;
}

.api-key-row {
    display: flex;
    gap: 8px;
}

.api-key-input {
    flex: 1;
    background: rgba(15, 23, 42, 0.6);
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: var(--radius-sm);
    padding: 10px 12px;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.82rem;
    outline: none;
    transition: var(--transition);
}

.api-key-input:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

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

.btn-small {
    padding: 10px 16px;
    font-size: 0.75rem;
}

.api-key-status {
    display: block;
    font-size: 0.72rem;
    margin-top: 6px;
    min-height: 16px;
}

.api-key-status.status-success {
    color: var(--success);
    background: none;
    border: none;
    padding: 0;
}

.api-key-status.status-success::before {
    display: none;
}

.api-key-status.status-error {
    color: var(--error);
    background: none;
    border: none;
    padding: 0;
}

.api-key-status.status-error::before {
    display: none;
}

.api-key-help {
    display: inline-block;
    margin-top: 6px;
    font-size: 0.72rem;
    color: var(--accent-light);
    text-decoration: none;
    opacity: 0.8;
    transition: var(--transition);
}

.api-key-help:hover {
    opacity: 1;
    text-decoration: underline;
}

/* --- NFC Panel --- */
.nfc-panel {
    grid-column: 1 / -1;
}

.nfc-content {
    display: flex;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
}

.nfc-status {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 18px;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    font-weight: 500;
    transition: var(--transition);
}

.nfc-status.nfc-waiting {
    background: rgba(99, 102, 241, 0.08);
    border: 1px solid rgba(99, 102, 241, 0.15);
    color: var(--text-secondary);
}

.nfc-status.nfc-success {
    background: rgba(16, 185, 129, 0.12);
    border: 1px solid rgba(16, 185, 129, 0.3);
    color: var(--success);
}

.nfc-icon {
    font-size: 1.3rem;
    animation: nfc-blink 2s ease-in-out infinite;
}

@keyframes nfc-blink {

    0%,
    100% {
        opacity: 0.4;
    }

    50% {
        opacity: 1;
    }
}

.nfc-status.nfc-success .nfc-icon {
    animation: none;
    opacity: 1;
}

.nfc-pulse {
    animation: nfc-pulse-anim 0.5s ease-out;
}

@keyframes nfc-pulse-anim {
    0% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.03);
        box-shadow: 0 0 20px rgba(16, 185, 129, 0.3);
    }

    100% {
        transform: scale(1);
    }
}

.nfc-result {
    flex: 1;
    min-width: 200px;
}

.nfc-label {
    font-size: 0.72rem;
    font-weight: 500;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    display: block;
    margin-bottom: 6px;
}

.nfc-enc-row {
    display: flex;
    gap: 8px;
}

.nfc-enc-input {
    flex: 1;
    background: rgba(15, 23, 42, 0.6);
    border: 1px solid rgba(16, 185, 129, 0.25);
    border-radius: var(--radius-sm);
    padding: 10px 12px;
    color: var(--success);
    font-family: 'Courier New', monospace;
    font-size: 0.72rem;
    outline: none;
    letter-spacing: 0.03em;
}

/* --- Footer --- */
.app-footer {
    text-align: center;
    padding: 20px 0;
    color: var(--text-muted);
    font-size: 0.75rem;
}

/* ========================================
   RESPONSIVE DESIGN
   ======================================== */

/* --- Tablet (≤ 900px) --- */
@media (max-width: 900px) {
    .main-content {
        grid-template-columns: 1fr;
    }

    .app-container {
        padding: 12px;
    }

    .app-title {
        font-size: 1.4rem;
    }

    .app-subtitle {
        font-size: 0.8rem;
    }

    .glass-panel {
        padding: 16px;
        border-radius: var(--radius-lg);
    }

    .camera-wrapper {
        aspect-ratio: 4 / 3;
    }

    /* NFC panel full width */
    .nfc-panel {
        grid-column: 1 / -1;
    }

    .nfc-content {
        flex-direction: column;
        align-items: stretch;
    }

    .nfc-result {
        min-width: unset;
    }

    /* Header row stacks on tablet */
    .header-row {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .user-info {
        margin-top: 8px;
    }
}

/* --- Mobile (≤ 600px) --- */
@media (max-width: 600px) {
    .app-container {
        padding: 8px;
    }

    .app-header {
        padding: 12px 0 16px;
    }

    .app-title {
        font-size: 1.15rem;
    }

    .app-subtitle {
        font-size: 0.72rem;
        margin-top: 4px;
    }

    .status-badge {
        font-size: 0.7rem;
        padding: 6px 14px;
        margin-top: 10px;
    }

    .glass-panel {
        padding: 14px;
        border-radius: var(--radius-md);
    }

    .panel-title {
        font-size: 0.9rem;
        margin-bottom: 12px;
    }

    .panel-title .icon {
        font-size: 1rem;
    }

    /* Camera */
    .camera-wrapper {
        aspect-ratio: 3 / 2;
        border-radius: var(--radius-md);
    }

    .card-overlay::before {
        font-size: 0.65rem;
        bottom: -24px;
        padding: 3px 10px;
    }

    .camera-actions {
        flex-direction: column;
        gap: 8px;
        margin-top: 12px;
    }

    /* Forms */
    .form-row {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    .form-row.form-row-3 {
        grid-template-columns: 1fr;
    }

    .form-grid {
        gap: 12px;
    }

    .form-group input,
    .form-group textarea {
        padding: 10px 12px;
        font-size: 0.85rem;
    }

    .form-group label {
        font-size: 0.72rem;
    }

    .form-actions {
        flex-direction: column;
        gap: 8px;
    }

    /* Buttons */
    .btn {
        width: 100%;
        padding: 12px 20px;
        font-size: 0.8rem;
    }

    .btn-small {
        width: auto;
        padding: 10px 14px;
        font-size: 0.7rem;
    }

    /* API Key section */
    .api-key-section {
        padding: 12px;
    }

    .api-key-row {
        flex-direction: column;
        gap: 8px;
    }

    .api-key-row .btn-small {
        width: 100%;
    }

    .api-key-input {
        font-size: 0.78rem;
    }

    /* NFC */
    .nfc-status {
        padding: 10px 14px;
        font-size: 0.78rem;
        width: 100%;
        justify-content: center;
    }

    .nfc-enc-row {
        flex-direction: column;
        gap: 8px;
    }

    .nfc-enc-input {
        font-size: 0.65rem;
    }

    .nfc-enc-row .btn-small {
        width: 100%;
    }

    /* Login */
    .login-screen {
        padding: 16px;
    }

    .login-card {
        padding: 20px;
    }

    .login-logo {
        font-size: 2.5rem;
    }

    .login-title {
        font-size: 1.3rem;
    }

    .login-subtitle {
        font-size: 0.78rem;
        margin-bottom: 18px;
    }

    .login-btn {
        padding: 12px;
    }

    /* Footer */
    .app-footer {
        font-size: 0.65rem;
        padding: 14px 0;
    }
}

/* --- Small phones (≤ 400px) --- */
@media (max-width: 400px) {
    .app-container {
        padding: 6px;
    }

    .app-title {
        font-size: 1rem;
    }

    .glass-panel {
        padding: 12px;
        border-radius: var(--radius-sm);
    }

    .camera-wrapper {
        aspect-ratio: 1 / 1;
    }

    .form-group input,
    .form-group textarea {
        padding: 8px 10px;
        font-size: 0.8rem;
    }

    .login-card {
        padding: 16px;
    }

    .btn {
        padding: 10px 16px;
        font-size: 0.75rem;
    }

    .user-name {
        font-size: 0.72rem;
    }

    .user-info .btn-small {
        padding: 8px 12px;
        font-size: 0.65rem;
    }
}

/* --- Landscape mobile --- */
@media (max-height: 500px) and (orientation: landscape) {
    .login-screen {
        padding: 10px;
        align-items: flex-start;
    }

    .login-logo {
        font-size: 1.8rem;
        margin-bottom: 4px;
    }

    .login-title {
        font-size: 1.1rem;
    }

    .login-subtitle {
        margin-bottom: 10px;
    }

    .camera-wrapper {
        aspect-ratio: 16 / 7;
    }

    .app-header {
        padding: 8px 0 10px;
    }
}

/* --- Safe area for notched phones --- */
@supports (padding: env(safe-area-inset-top)) {
    .app-container {
        padding-top: max(12px, env(safe-area-inset-top));
        padding-bottom: max(12px, env(safe-area-inset-bottom));
        padding-left: max(12px, env(safe-area-inset-left));
        padding-right: max(12px, env(safe-area-inset-right));
    }
}