:root {
    --dental-blue-50: #f0f9ff;
    --dental-blue-100: #e0f2fe;
    --dental-blue-200: #bae6fd;
    --dental-blue-300: #7dd3fc;
    --dental-blue-500: #0ea5e9;
    --dental-blue-600: #0284c7;
    --dental-blue-700: #0369a1;
    --dental-blue-800: #075985;
    --dental-slate-100: #f1f5f9;
    --dental-slate-200: #e2e8f0;
    --dental-slate-300: #cbd5e1;
    --dental-slate-400: #94a3b8;
    --dental-slate-500: #64748b;
    --dental-slate-600: #475569;
    --dental-slate-700: #334155;
    --dental-slate-800: #1e293b;
    --dental-font: 'Cairo', 'Tajawal', system-ui, -apple-system, sans-serif;
}

.dental-register-page,
.dental-register-page *,
.dental-register-page *::before,
.dental-register-page *::after {
    box-sizing: border-box;
}

body.dental-register-page {
    min-height: 100vh;
    min-height: 100svh;
    margin: 0;
    overflow-x: hidden;
    color: var(--dental-slate-800);
    background:
        radial-gradient(circle at 86% 8%, rgba(125, 211, 252, 0.45), transparent 32rem),
        radial-gradient(circle at 9% 91%, rgba(165, 180, 252, 0.35), transparent 30rem),
        linear-gradient(145deg, #f8fbff 0%, #edf7ff 48%, #f8fafc 100%);
    font-family: var(--dental-font);
}

.dental-background {
    position: fixed;
    z-index: 0;
    inset: 0;
    overflow: hidden;
    pointer-events: none;
}

.dental-orb {
    position: absolute;
    width: 28rem;
    aspect-ratio: 1;
    border-radius: 50%;
    filter: blur(90px);
    opacity: 0.22;
}

.dental-orb-one {
    top: -8rem;
    right: -6rem;
    background: #38bdf8;
}

.dental-orb-two {
    bottom: -10rem;
    left: -6rem;
    background: #818cf8;
}

.dental-sparkle {
    position: absolute;
    color: rgba(2, 132, 199, 0.22);
    animation: dental-float 6s ease-in-out infinite;
}

.dental-sparkle-one {
    top: 12%;
    left: 8%;
    font-size: 1.4rem;
}

.dental-sparkle-two {
    top: 55%;
    right: 6%;
    font-size: 1.15rem;
    animation-delay: -2s;
}

.dental-sparkle-three {
    bottom: 8%;
    left: 6%;
    font-size: 2.2rem;
    animation-delay: -4s;
}

.dental-sparkle-four {
    top: 30%;
    right: 12%;
    font-size: 1.5rem;
    animation-delay: -1.5s;
}

.register-stage {
    position: relative;
    z-index: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    min-height: 100svh;
    padding: 36px 16px;
}

.register-container {
    width: 100%;
    max-width: 900px;
    margin-inline: auto;
}

/* Header */
.register-header {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    margin-bottom: 24px;
}

.clinic-mark {
    display: grid;
    width: 68px;
    height: 68px;
    margin-bottom: 12px;
    place-items: center;
    color: #ffffff;
    border: 3.5px solid #ffffff;
    border-radius: 50%;
    background: linear-gradient(145deg, var(--dental-blue-500), var(--dental-blue-700));
    box-shadow: 0 10px 24px rgba(2, 132, 199, 0.32), inset 0 2px 3px rgba(255, 255, 255, 0.45);
    transition: transform 250ms ease;
}

.clinic-mark:hover {
    transform: scale(1.05) rotate(5deg);
}

.clinic-mark i {
    font-size: 1.85rem;
}

.register-header h1 {
    margin: 0;
    color: var(--dental-slate-800);
    font-size: 1.65rem;
    font-weight: 800;
    line-height: 1.35;
}

.register-header p {
    max-width: 520px;
    margin: 6px 0 0;
    color: var(--dental-slate-500);
    font-size: 0.92rem;
    font-weight: 600;
    line-height: 1.5;
}

/* Card */
.register-card {
    position: relative;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1.5px solid rgba(186, 230, 253, 0.7);
    border-radius: 24px;
    padding: 38px 42px;
    box-shadow:
        0 20px 48px -10px rgba(7, 89, 133, 0.14),
        0 0 0 1px rgba(255, 255, 255, 0.8) inset;
    transition: box-shadow 250ms ease;
}

.register-card:hover {
    box-shadow:
        0 24px 54px -8px rgba(7, 89, 133, 0.18),
        0 0 0 1px rgba(255, 255, 255, 0.9) inset;
}

/* Alerts */
.register-alerts {
    margin-bottom: 24px;
}

.register-alert {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin-bottom: 12px;
    padding: 12px 16px;
    color: var(--dental-blue-800);
    border-inline-start: 4px solid var(--dental-blue-500);
    border-radius: 12px;
    background: var(--dental-blue-50);
    font-size: 0.86rem;
    font-weight: 600;
    line-height: 1.5;
    box-shadow: 0 2px 8px rgba(14, 165, 233, 0.08);
}

.register-alert i {
    font-size: 1rem;
    color: var(--dental-blue-600);
    margin-top: 2px;
    flex-shrink: 0;
}

.register-alert-error {
    color: #9f1239;
    border-inline-start-color: #f43f5e;
    background: #fff1f2;
    box-shadow: 0 2px 8px rgba(244, 63, 94, 0.08);
}

.register-alert-error i {
    color: #e11d48;
}

/* Sections */
.register-section {
    position: relative;
}

.register-section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 18px;
    flex-wrap: wrap;
    gap: 8px;
}

.section-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.98rem;
    font-weight: 800;
    color: var(--dental-blue-700);
    background: linear-gradient(135deg, var(--dental-blue-50), #f0f9ff);
    border: 1.5px solid var(--dental-blue-200);
    padding: 7px 16px;
    border-radius: 9999px;
    box-shadow: 0 2px 6px rgba(14, 165, 233, 0.08);
}

.section-badge i {
    color: var(--dental-blue-500);
    font-size: 0.95rem;
}

.section-hint {
    color: var(--dental-slate-400);
    font-size: 0.78rem;
    font-weight: 600;
}

.register-section-divider {
    height: 1px;
    margin: 32px 0 28px;
    background: linear-gradient(90deg, transparent, var(--dental-blue-200), transparent);
    border: 0;
}

/* Form Grid */
.register-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 18px 22px;
}

.col-span-full {
    grid-column: 1 / -1;
}

/* Field */
.register-field {
    display: flex;
    flex-direction: column;
}

.register-field label {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-bottom: 6px;
    color: var(--dental-slate-700);
    font-size: 0.84rem;
    font-weight: 700;
}

.register-field label i {
    color: var(--dental-blue-600);
    font-size: 0.85rem;
}

.required-mark {
    color: #ef4444;
    font-weight: 700;
    margin-inline-start: 2px;
}

.register-input-wrap {
    position: relative;
    width: 100%;
}

.register-input-wrap input,
.register-input-wrap select,
.register-input-wrap textarea {
    width: 100%;
    color: var(--dental-slate-800);
    border: 1.5px solid var(--dental-slate-200);
    border-radius: 12px;
    outline: none;
    background: rgba(255, 255, 255, 0.95);
    box-shadow: inset 0 2px 4px rgba(15, 23, 42, 0.035);
    font: 500 0.88rem var(--dental-font);
    transition: border-color 180ms ease, box-shadow 180ms ease, background-color 180ms ease;
    padding: 0 40px 0 16px;
}

.register-input-wrap input {
    height: 44px;
}

.register-input-wrap select {
    height: 44px;
    cursor: pointer;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2364748b'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'%3E%3C/path%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: left 12px center;
    background-size: 16px;
    padding-left: 36px;
}

.register-input-wrap textarea {
    min-height: 76px;
    padding-top: 10px;
    padding-bottom: 10px;
    line-height: 1.55;
    resize: vertical;
}

.register-input-wrap input::placeholder,
.register-input-wrap textarea::placeholder {
    color: var(--dental-slate-400);
    font-weight: 400;
}

.register-input-wrap input:focus,
.register-input-wrap select:focus,
.register-input-wrap textarea:focus {
    border-color: var(--dental-blue-500);
    background-color: #ffffff;
    box-shadow: 0 0 0 4px rgba(14, 165, 233, 0.14);
}

.register-input-wrap input[aria-invalid="true"],
.register-input-wrap textarea[aria-invalid="true"] {
    border-color: #fb7185;
}

.register-input-icon {
    position: absolute;
    z-index: 1;
    top: 50%;
    right: 14px;
    color: var(--dental-slate-400);
    transform: translateY(-50%);
    pointer-events: none;
    font-size: 0.9rem;
    transition: color 180ms ease;
}

.register-input-wrap:focus-within .register-input-icon {
    color: var(--dental-blue-600);
}

.register-input-wrap textarea + .register-input-icon {
    top: 18px;
    transform: none;
}

.password-field-wrap input {
    padding-left: 42px;
}

.password-toggle {
    position: absolute;
    top: 50%;
    left: 8px;
    display: grid;
    width: 32px;
    height: 32px;
    padding: 0;
    place-items: center;
    color: var(--dental-slate-400);
    border: 0;
    border-radius: 50%;
    background: transparent;
    cursor: pointer;
    transform: translateY(-50%);
    transition: color 150ms ease, background-color 150ms ease;
}

.password-toggle:hover {
    color: var(--dental-blue-700);
    background: var(--dental-blue-50);
}

.password-toggle:focus-visible {
    outline: 2px solid var(--dental-blue-500);
    outline-offset: 2px;
}

.field-help-text {
    display: flex;
    align-items: center;
    gap: 5px;
    margin: 4px 0 0;
    color: var(--dental-slate-500);
    font-size: 0.76rem;
    font-weight: 500;
}

.field-help-text i {
    color: var(--dental-blue-500);
}

.register-field-error {
    display: flex;
    align-items: flex-start;
    gap: 6px;
    margin: 5px 0 0;
    color: #be123c;
    font-size: 0.76rem;
    font-weight: 600;
    line-height: 1.4;
}

.register-field-error i {
    margin-top: 2px;
    flex-shrink: 0;
}

/* Submit Button */
.register-submit-btn {
    display: flex;
    width: 100%;
    height: 50px;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-top: 28px;
    color: #ffffff;
    border: 0;
    border-radius: 14px;
    background: linear-gradient(135deg, var(--dental-blue-500), var(--dental-blue-700));
    box-shadow: 0 10px 25px rgba(2, 132, 199, 0.32), inset 0 1px 1px rgba(255, 255, 255, 0.4);
    font: 700 1rem var(--dental-font);
    cursor: pointer;
    transition: transform 180ms ease, box-shadow 180ms ease;
}

.register-submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 14px 30px rgba(2, 132, 199, 0.42);
}

.register-submit-btn:active {
    transform: translateY(0);
}

.register-submit-btn:focus-visible {
    outline: 3px solid rgba(14, 165, 233, 0.45);
    outline-offset: 3px;
}

.register-submit-btn i {
    font-size: 1.1rem;
    transition: transform 180ms ease;
}

.register-submit-btn:hover i {
    transform: scale(1.15);
}

/* Footer */
.register-footer {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 6px;
    margin-top: 22px;
    padding-top: 18px;
    border-top: 1px solid var(--dental-slate-200);
    color: var(--dental-slate-500);
    font-size: 0.86rem;
    text-align: center;
}

.register-footer a {
    color: var(--dental-blue-700);
    font-weight: 700;
    text-decoration: none;
    transition: color 150ms ease;
}

.register-footer a:hover {
    color: var(--dental-blue-500);
    text-decoration: underline;
}

.register-footer a:focus-visible {
    outline: 2px solid var(--dental-blue-500);
    outline-offset: 2px;
}

/* Animations */
@keyframes dental-float {
    0%, 100% { transform: translateY(0) rotate(0); opacity: 0.18; }
    50% { transform: translateY(-14px) rotate(16deg); opacity: 0.45; }
}

/* Responsive */
@media (max-width: 768px) {
    .register-stage {
        padding: 24px 12px;
    }

    .register-card {
        padding: 28px 20px;
        border-radius: 20px;
    }

    .register-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .register-header h1 {
        font-size: 1.35rem;
    }

    .register-header p {
        font-size: 0.84rem;
    }

    .clinic-mark {
        width: 58px;
        height: 58px;
    }

    .clinic-mark i {
        font-size: 1.55rem;
    }

    .register-submit-btn {
        height: 46px;
        font-size: 0.94rem;
    }
}

@media (max-width: 480px) {
    .register-card {
        padding: 22px 16px;
    }

    .section-badge {
        font-size: 0.9rem;
        padding: 6px 12px;
    }
}

@media (prefers-reduced-motion: reduce) {
    .dental-sparkle,
    .clinic-mark,
    .register-submit-btn,
    .register-submit-btn i {
        animation: none;
        transition: none;
    }
}