/* ============================================
   REGISTER PAGE — COMPACT · NO IMAGE
   Base font: 12px · Responsive to 320px
   ============================================ */

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

:root {
    --primary-color: #0729AD;
    --primary-dark: #031A85;
    --primary-light: #b8d9ec;
    --white: #ffffff;
    --gray-100: #f8f9fa;
    --gray-200: #e9ecef;
    --gray-300: #dee2e6;
    --gray-400: #ced4da;
    --gray-500: #adb5bd;
    --gray-600: #6c757d;
    --gray-700: #495057;
    --gray-800: #343a40;
    --gray-900: #212529;
    --dark-bg: #1a1a2e;
    --dark-surface: #1e293b;
    --dark-border: #334155;
    --dark-text: #e5e5e5;
    --success: #28a745;
    --error: #dc3545;
    --warning: #ffc107;
    --google-blue: #4285f4;
}

/* ============================================
   PAGE WRAPPER
   ============================================ */
.register-page-wrapper {
    min-height: calc(100vh - 70px);
    margin-top: 70px;
    padding: 1.5rem 1rem 1rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: linear-gradient(180deg, #f5f7fa 0%, #eef2f7 100%);
    font-size: 12px;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body.dark-mode .register-page-wrapper {
    background: linear-gradient(180deg, #0f172a 0%, #111827 100%);
}

/* ============================================
   MAIN CARD
   ============================================ */
.register-main-card {
    width: 100%;
    max-width: 640px;
    background: var(--white);
    border-radius: 14px;
    padding: 2rem 2rem 1.75rem;
    box-shadow:
        0 15px 45px rgba(0, 0, 0, 0.08),
        0 3px 10px rgba(0, 0, 0, 0.04);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    animation: fadeInUp 0.5s ease-out;
}

body.dark-mode .register-main-card {
    background: var(--dark-surface);
    box-shadow: 0 15px 45px rgba(0, 0, 0, 0.4);
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(15px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* ============================================
   LOGO CIRCLE
   ============================================ */
.register-logo-circle {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, #f5f7fa 0%, #e9ecef 100%);
    border: 2px solid var(--gray-200);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 0.7rem;
    box-shadow:
        0 8px 20px rgba(7, 41, 173, 0.12),
        inset 0 2px 4px rgba(255, 255, 255, 0.8);
    position: relative;
    flex-shrink: 0;
}

.register-logo-circle::after {
    content: '';
    position: absolute;
    inset: -5px;
    border-radius: 50%;
    border: 1px dashed rgba(7, 41, 173, 0.2);
    animation: rotateSlow 30s linear infinite;
}

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

.register-logo-circle i {
    font-size: 1.4rem;
    background: linear-gradient(135deg, #0729AD, #6a11cb);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

body.dark-mode .register-logo-circle {
    background: linear-gradient(135deg, #334155, #1e293b);
    border-color: #475569;
}

/* ============================================
   TITLE & BRAND
   ============================================ */
.register-welcome {
    font-size: 1.15rem;
    font-weight: 800;
    color: var(--primary-color);
    margin-bottom: 0.1rem;
    letter-spacing: -0.02em;
    line-height: 1.2;
}

body.dark-mode .register-welcome { color: var(--primary-light); }

.register-brand {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--gray-700);
    margin-bottom: 1.25rem;
    letter-spacing: 0.3px;
}

body.dark-mode .register-brand { color: #cbd5e1; }

/* ============================================
   ALERT
   ============================================ */
.alert {
    width: 100%;
    padding: 0.6rem 0.85rem;
    border-radius: 8px;
    margin-bottom: 1rem;
    font-size: 0.75rem;
    line-height: 1.45;
    text-align: left;
    word-wrap: break-word;
}

.alert-error {
    background: #fef2f2;
    color: var(--error);
    border-left: 3px solid var(--error);
}

.alert-error a {
    color: var(--error);
    text-decoration: underline;
    font-weight: 600;
}

.alert-success {
    background: #f0fdf4;
    color: var(--success);
    border-left: 3px solid var(--success);
}

body.dark-mode .alert-error {
    background: #450a0a;
    color: #fca5a5;
}

body.dark-mode .alert-success {
    background: #064e3b;
    color: #86efac;
}

/* ============================================
   TWO-COLUMN LAYOUT
   ============================================ */
.register-form-compact {
    width: 100%;
    max-width: 560px;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.two-col-compact {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
    width: 100%;
    margin-bottom: 0.85rem;
}

.col-left,
.col-right {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

/* ============================================
   ICON INPUTS
   ============================================ */
.icon-input {
    position: relative;
    width: 100%;
}

.icon-input > i {
    position: absolute;
    left: 0.85rem;
    top: 50%;
    transform: translateY(-50%);
    font-size: 0.75rem;
    color: var(--gray-500);
    pointer-events: none;
    transition: color 0.3s;
    z-index: 2;
}

.icon-input input,
.icon-select {
    width: 100%;
    padding: 0.65rem 2.5rem 0.65rem 2.4rem;
    border: 1.5px solid var(--gray-300);
    border-radius: 8px;
    font-size: 0.78rem;
    font-family: inherit;
    background: white;
    transition: all 0.3s;
    color: var(--gray-900);
}

.icon-select {
    padding-right: 2rem;
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%236c757d' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    background-size: 0.9em;
}

body.dark-mode .icon-input input,
body.dark-mode .icon-select {
    background-color: var(--dark-bg);
    border-color: var(--dark-border);
    color: var(--dark-text);
}

body.dark-mode .icon-select {
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23cbd5e1' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
}

.icon-input input::placeholder {
    color: var(--gray-500);
    font-weight: 500;
}

.icon-input input:focus,
.icon-select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(7, 41, 173, 0.08);
}

.icon-input input:focus ~ i {
    color: var(--primary-color);
}

/* Password toggle button */
.toggle-pass-btn {
    position: absolute;
    right: 0.55rem;
    top: 50%;
    transform: translateY(-50%);
    background: transparent;
    border: none;
    cursor: pointer;
    color: var(--gray-500);
    font-size: 0.75rem;
    padding: 0.3rem;
    transition: color 0.3s;
    z-index: 2;
    border-radius: 5px;
}

.toggle-pass-btn:hover {
    color: var(--primary-color);
    background: rgba(7, 41, 173, 0.05);
}

/* ============================================
   PHONE PREVIEW / ERROR
   ============================================ */
.phone-preview,
.phone-error {
    padding: 0.4rem 0.65rem;
    border-radius: 6px;
    font-size: 0.68rem;
    display: flex;
    align-items: center;
    gap: 0.4rem;
    line-height: 1.35;
    text-align: left;
}

.phone-preview {
    background: #f0fdf4;
    color: #166534;
    border: 1px solid rgba(34, 197, 94, 0.2);
}

.phone-preview i { color: var(--success); flex-shrink: 0; }

.phone-preview strong {
    font-family: monospace;
    font-weight: 700;
}

.phone-error {
    background: #fef2f2;
    color: var(--error);
    border: 1px solid rgba(220, 53, 69, 0.2);
}

.phone-error i { color: var(--error); flex-shrink: 0; }

body.dark-mode .phone-preview {
    background: #064e3b;
    color: #86efac;
    border-color: rgba(134, 239, 172, 0.2);
}

body.dark-mode .phone-error {
    background: #450a0a;
    color: #fca5a5;
    border-color: rgba(252, 165, 165, 0.2);
}

.hidden { display: none !important; }

/* ============================================
   PASSWORD STRENGTH / MATCH
   ============================================ */
.password-strength,
.password-match {
    font-size: 0.68rem;
    padding-left: 0.25rem;
    min-height: 14px;
    line-height: 1.3;
    text-align: left;
    margin-top: -0.15rem;
}

.password-strength span,
.password-match span {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
}

/* ============================================
   REGISTER BUTTON
   ============================================ */
.btn-register-compact {
    width: 100%;
    padding: 0.75rem;
    background: linear-gradient(135deg, #4a6fc9 0%, #0729AD 100%);
    color: white;
    border: none;
    border-radius: 25px;
    font-size: 0.78rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    letter-spacing: 0.4px;
    position: relative;
    overflow: hidden;
    font-family: inherit;
    margin-top: 0.4rem;
}

.btn-register-compact::before {
    content: '';
    position: absolute;
    top: 0; left: -100%;
    width: 100%; height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.25), transparent);
    transition: left 0.6s;
}

.btn-register-compact:hover::before { left: 100%; }

.btn-register-compact:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 22px rgba(7, 41, 173, 0.35);
    background: linear-gradient(135deg, #0729AD 0%, #031A85 100%);
}

.btn-register-compact:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

/* ============================================
   DIVIDER
   ============================================ */
.compact-divider {
    display: flex;
    align-items: center;
    width: 100%;
    max-width: 320px;
    margin: 0.9rem 0;
    color: var(--gray-500);
    font-size: 0.65rem;
    font-weight: 600;
    letter-spacing: 1px;
}

.compact-divider::before,
.compact-divider::after {
    content: '';
    flex: 1;
    border-bottom: 1px solid var(--gray-200);
}

body.dark-mode .compact-divider::before,
body.dark-mode .compact-divider::after {
    border-bottom-color: var(--dark-border);
}

.compact-divider::before { margin-right: 0.6rem; }
.compact-divider::after  { margin-left: 0.6rem; }

/* ============================================
   GOOGLE BUTTON
   ============================================ */
.btn-google-compact {
    width: 100%;
    max-width: 320px;
    padding: 0.7rem;
    background: white;
    border: 1.5px solid var(--gray-300);
    border-radius: 8px;
    font-size: 0.75rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.55rem;
    color: var(--gray-700);
    font-family: inherit;
}

body.dark-mode .btn-google-compact {
    background: var(--dark-bg);
    border-color: var(--dark-border);
    color: var(--dark-text);
}

.btn-google-compact:hover {
    background: #f8f9fa;
    border-color: var(--google-blue);
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(66, 133, 244, 0.18);
}

body.dark-mode .btn-google-compact:hover { background: var(--dark-surface); }

.btn-google-compact:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

.btn-google-compact i.fa-google {
    font-size: 0.95rem;
    background: conic-gradient(from -45deg, #ea4335 110deg, #4285f4 190deg, #34a853 270deg, #fbbc05 360deg);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    flex-shrink: 0;
}

/* ============================================
   REGISTER / BACK HOME LINKS
   ============================================ */
.compact-register {
    margin-top: 0.9rem;
    font-size: 0.72rem;
    color: var(--gray-600);
    text-align: center;
}

body.dark-mode .compact-register { color: #94a3b8; }

.compact-register a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 700;
}

.compact-register a:hover { text-decoration: underline; }

.compact-back-home {
    margin-top: 0.7rem;
    padding-top: 0.7rem;
    border-top: 1px solid var(--gray-200);
    width: 100%;
    max-width: 320px;
    color: var(--gray-600);
    text-decoration: none;
    font-size: 0.7rem;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.35rem;
    transition: color 0.3s;
}

.compact-back-home:hover { color: var(--primary-color); }

body.dark-mode .compact-back-home {
    color: #94a3b8;
    border-top-color: var(--dark-border);
}

body.dark-mode .compact-back-home:hover { color: var(--primary-light); }

/* ============================================
   FOOTER
   ============================================ */
.register-page-footer {
    margin-top: 1.5rem;
    padding-top: 0.9rem;
    border-top: 2px solid var(--primary-color);
    width: 100%;
    max-width: 640px;
    text-align: center;
}

.register-page-footer p {
    font-size: 0.7rem;
    color: var(--gray-600);
    font-weight: 500;
    line-height: 1.5;
    padding: 0 0.5rem;
}

body.dark-mode .register-page-footer p { color: #94a3b8; }
body.dark-mode .register-page-footer { border-top-color: var(--primary-light); }

/* ============================================
   LOADER
   ============================================ */
.form-loader-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.75);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 1rem;
    z-index: 9999;
    backdrop-filter: blur(6px);
}

.spinner {
    width: 42px;
    height: 42px;
    border: 3px solid rgba(255, 255, 255, 0.25);
    border-top: 3px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 0.9s linear infinite;
}

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

.form-loader-overlay span {
    color: white;
    font-size: 0.82rem;
    font-weight: 500;
}

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

/* --- TABLET LANDSCAPE (901px – 1100px) --- */
@media (max-width: 1100px) and (min-width: 901px) {
    .register-main-card { max-width: 600px; }
    .register-page-footer { max-width: 600px; }
}

/* --- TABLET (≤ 900px) --- */
@media (max-width: 900px) {
    .register-main-card { max-width: 480px; padding: 1.75rem 1.6rem 1.5rem; }
    .register-page-footer { max-width: 480px; }
    .register-form-compact { max-width: 100%; }
    .two-col-compact { grid-template-columns: 1fr; gap: 0.55rem; }
    .col-left, .col-right { gap: 0.55rem; }
}

/* --- MOBILE LANDSCAPE (≤ 700px) --- */
@media (max-width: 700px) {
    .register-page-wrapper { padding: 1.25rem 0.9rem 1rem; }
    .register-main-card { max-width: 100%; padding: 1.6rem 1.35rem 1.4rem; }
    .register-page-footer { max-width: 100%; }
    .register-welcome { font-size: 1.08rem; }
    .register-brand { font-size: 0.72rem; }
    .compact-divider,
    .btn-google-compact,
    .compact-back-home { max-width: 100%; }
}

/* --- MOBILE PORTRAIT (≤ 500px) --- */
@media (max-width: 500px) {
    .register-page-wrapper {
        padding: 1rem 0.75rem 0.85rem;
        min-height: calc(100vh - 60px);
        margin-top: 60px;
    }
    .register-main-card {
        border-radius: 12px;
        padding: 1.4rem 1.1rem 1.2rem;
    }
    .register-logo-circle {
        width: 52px; height: 52px;
        margin-bottom: 0.55rem;
    }
    .register-logo-circle i { font-size: 1.2rem; }
    .register-welcome { font-size: 1.02rem; }
    .register-brand { font-size: 0.68rem; margin-bottom: 1rem; }

    .icon-input input,
    .icon-select {
        padding: 0.6rem 2.3rem 0.6rem 2.2rem;
        font-size: 0.78rem;
    }
    .icon-input > i { left: 0.75rem; font-size: 0.72rem; }
    .toggle-pass-btn { right: 0.45rem; font-size: 0.72rem; }

    .btn-register-compact { padding: 0.7rem; font-size: 0.75rem; }
    .btn-google-compact { padding: 0.65rem; font-size: 0.72rem; gap: 0.45rem; }
    .compact-register { font-size: 0.68rem; }
    .compact-back-home { font-size: 0.68rem; }
    .register-page-footer p { font-size: 0.65rem; }
}

/* --- SMALL PHONES (≤ 380px) --- */
@media (max-width: 380px) {
    .register-page-wrapper { padding: 0.85rem 0.6rem 0.7rem; }
    .register-main-card {
        border-radius: 10px;
        padding: 1.2rem 0.9rem 1rem;
    }
    .register-logo-circle { width: 48px; height: 48px; }
    .register-logo-circle i { font-size: 1.1rem; }
    .register-welcome { font-size: 0.95rem; }
    .register-brand { font-size: 0.65rem; margin-bottom: 0.85rem; }

    .icon-input input,
    .icon-select {
        padding: 0.55rem 2.15rem 0.55rem 2.1rem;
        font-size: 0.75rem;
        border-radius: 7px;
    }
    .icon-input > i { left: 0.7rem; font-size: 0.68rem; }
    .toggle-pass-btn { right: 0.35rem; padding: 0.25rem; }

    .btn-register-compact {
        padding: 0.65rem;
        font-size: 0.72rem;
        border-radius: 22px;
    }
    .btn-google-compact {
        padding: 0.6rem;
        font-size: 0.7rem;
        border-radius: 7px;
    }
    .btn-google-compact i.fa-google { font-size: 0.85rem; }

    .compact-divider { margin: 0.7rem 0; font-size: 0.6rem; }
    .compact-register { font-size: 0.65rem; margin-top: 0.75rem; }
    .compact-back-home { font-size: 0.65rem; padding-top: 0.6rem; margin-top: 0.6rem; }

    .register-page-footer {
        margin-top: 1.25rem;
        padding-top: 0.75rem;
    }
    .register-page-footer p { font-size: 0.6rem; }
}

/* --- VERY SMALL (≤ 320px) --- */
@media (max-width: 320px) {
    .register-main-card { padding: 1rem 0.8rem 0.9rem; }

    .register-logo-circle { width: 44px; height: 44px; }
    .register-logo-circle i { font-size: 1rem; }
    .register-welcome { font-size: 0.9rem; }

    .icon-input input,
    .icon-select {
        padding: 0.5rem 2rem 0.5rem 1.95rem;
        font-size: 0.72rem;
    }
    .btn-register-compact { font-size: 0.7rem; }
    .btn-google-compact { font-size: 0.68rem; }
    .register-page-footer p { font-size: 0.58rem; line-height: 1.4; }
}

/* --- LANDSCAPE ON SHORT SCREENS --- */
@media (max-height: 600px) and (orientation: landscape) {
    .register-page-wrapper {
        padding: 1rem 0.75rem;
        min-height: auto;
        margin-top: 70px;
    }
    .register-main-card { padding: 1.1rem 1.25rem 1rem; }
    .register-logo-circle { width: 45px; height: 45px; margin-bottom: 0.4rem; }
    .register-logo-circle i { font-size: 1.05rem; }
    .register-welcome { font-size: 0.95rem; }
    .register-brand { margin-bottom: 0.7rem; }
    .two-col-compact { grid-template-columns: 1fr 1fr; gap: 0.5rem; }
    .icon-input input, .icon-select { padding: 0.5rem 2.1rem 0.5rem 2.1rem; }
    .compact-divider { margin: 0.6rem 0; }
    .compact-register { margin-top: 0.6rem; }
    .compact-back-home { margin-top: 0.5rem; padding-top: 0.5rem; }
    .register-page-footer { margin-top: 0.9rem; padding-top: 0.6rem; }
}

/* --- TOUCH DEVICE --- */
@media (hover: none) and (pointer: coarse) {
    .icon-input input,
    .icon-select { font-size: 16px; }
    .btn-register-compact { padding: 0.85rem; }
    .btn-google-compact { padding: 0.85rem; }
    .toggle-pass-btn { padding: 0.5rem; }
}

/* --- PRINT --- */
@media print {
    .register-page-wrapper,
    .form-loader-overlay { display: none !important; }
}

/* --- REDUCED MOTION --- */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* ============================================
   DARK MODE
   ============================================ */
body.dark-mode .register-welcome { color: var(--primary-light); }
body.dark-mode .register-brand { color: #cbd5e1; }
body.dark-mode .register-logo-circle {
    background: linear-gradient(135deg, #334155, #1e293b);
    border-color: #475569;
}
body.dark-mode .alert-error {
    background: #450a0a;
    color: #fca5a5;
}
body.dark-mode .compact-register { color: #94a3b8; }
body.dark-mode .compact-back-home {
    color: #94a3b8;
    border-top-color: var(--dark-border);
}
body.dark-mode .register-page-footer p { color: #94a3b8; }