/* ===========================
   Register Page - Clean Minimal Design
   =========================== */
.register-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--auth-page-padding);
    --auth-container-offset: var(--space-16);
    padding-top: calc(
        var(--auth-page-padding) + var(--header-clearance) + max(0px, (100vh - (2 * var(--auth-page-padding)) - var(--auth-reference-card-height)) / 2 - var(--auth-vertical-shift))
    );
    background: #ffffff;
    position: relative;
    isolation: isolate;
    overflow: hidden;
}

.register-page::before,
.register-page::after {
    content: '';
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.register-page::before {
    /* Warm peach/orange gradient - matching index page */
    background:
        radial-gradient(ellipse 80% 50% at 50% 120%, rgba(251, 146, 60, 0.15) 0%, transparent 60%),
        radial-gradient(ellipse 60% 40% at 0% 100%, rgba(251, 146, 60, 0.12) 0%, transparent 50%),
        radial-gradient(ellipse 50% 35% at 100% 0%, rgba(251, 146, 60, 0.25) 0%, transparent 50%),
        radial-gradient(ellipse 70% 50% at 30% 80%, rgba(253, 186, 116, 0.12) 0%, transparent 50%),
        linear-gradient(180deg, rgba(255, 255, 255, 0) 0%, rgba(255, 255, 255, 1) 85%);
}

.register-page::after {
    background:
        radial-gradient(circle at 20% 80%, rgba(251, 191, 36, 0.06) 0%, transparent 40%),
        radial-gradient(circle at 80% 20%, rgba(251, 191, 36, 0.1) 0%, transparent 35%);
}

.register-container {
    background: var(--surface-glass);
    max-width: 460px;
    width: 100%;
    padding: var(--space-10);
    margin-top: var(--auth-container-offset, 0px);
    border-radius: var(--panel-radius);
    box-shadow: var(--panel-shadow);
    border: 1px solid var(--color-border-light);
    position: relative;
    z-index: 1;
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    overflow: hidden;
}

.register-container::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.7), transparent 60%);
    pointer-events: none;
    opacity: 0.6;
}

.register-header {
    text-align: center;
    margin-bottom: var(--space-8);
}

.register-header h1 {
    font-size: var(--type-title);
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: var(--space-2);
    letter-spacing: var(--letter-spacing-heading);
    font-family: var(--font-heading);
}

.register-header p {
    color: var(--color-text-tertiary);
    font-size: var(--text-sm);
    font-weight: 400;
}

.error-message,
.success-message {
    padding: var(--space-3) var(--space-4);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-5);
    font-size: var(--text-sm);
    font-weight: 500;
    display: none;
}

.error-message {
    background: var(--state-error-bg);
    color: var(--state-error-text);
    border: 1px solid var(--state-error-border);
}

.success-message {
    background: var(--state-success-bg);
    color: var(--state-success-text);
    border: 1px solid var(--state-success-border);
}

.field-error {
    display: none;
    color: var(--state-error-text);
    font-size: var(--text-xs);
    margin-top: var(--space-2);
    padding-left: var(--space-1);
}

.field-error.show {
    display: block;
}

.error-message.show,
.success-message.show {
    display: block;
    animation: slideIn var(--transition-base);
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(-8px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.form-group {
    margin-bottom: var(--space-4);
    position: relative;
}

.form-group input {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    background: var(--color-bg-primary);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-lg);
    font-size: var(--text-base);
    font-family: var(--font-body);
    transition: all var(--transition-base);
    color: var(--color-text-primary);
}

.form-group input::placeholder {
    color: var(--color-text-tertiary);
    font-weight: 400;
}

.form-group input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--accent-100);
    background: var(--color-bg-primary);
}

.form-group input:disabled {
    background: var(--color-bg-secondary);
    cursor: not-allowed;
    opacity: 0.6;
}

.password-requirements {
    font-size: var(--text-xs);
    color: var(--color-text-tertiary);
    margin-top: var(--space-2);
    padding-left: var(--space-1);
    line-height: 1.5;
}

.btn-submit {
    width: 100%;
    padding: var(--space-button-y) var(--space-button-x);
    font-size: 15px;
    margin-top: var(--space-2);
    border-radius: 9999px;
    font-weight: var(--weight-semibold);
    background: var(--color-ink-bg);
    color: #ffffff;
    border: none;
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow:
        0 1px 2px rgba(0, 0, 0, 0.05),
        0 4px 12px rgba(0, 0, 0, 0.1);
    font-family: var(--font-body), -apple-system, BlinkMacSystemFont, sans-serif;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-button-gap);
    line-height: var(--leading-ui);
}

.btn-submit::before {
    content: none;
}

.btn-submit:hover:not(:disabled) {
    background: var(--color-ink-bg-strong);
    transform: translateY(-1px);
    box-shadow:
        0 2px 4px rgba(0, 0, 0, 0.1),
        0 8px 24px rgba(0, 0, 0, 0.15);
}

.btn-submit:hover::before {
    opacity: 0;
}

.btn-submit:active:not(:disabled) {
    transform: translateY(0);
}

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

.divider {
    display: flex;
    align-items: center;
    margin: var(--space-6) 0;
    gap: var(--space-4);
}

.divider hr {
    flex-grow: 1;
    border: none;
    border-top: 1px solid var(--color-border-light);
}

.divider span {
    font-size: var(--text-xs);
    color: var(--color-text-tertiary);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.social-buttons {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    margin-bottom: var(--space-6);
}

.btn-social {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-button-y) var(--space-button-x);
    background: #ffffff;
    border: 1px solid rgba(0, 0, 0, 0.15);
    border-radius: 9999px;
    font-size: 15px;
    font-weight: var(--weight-semibold);
    color: var(--color-ink-strong);
    cursor: pointer;
    transition: all 0.2s ease;
    font-family: var(--font-body), -apple-system, BlinkMacSystemFont, sans-serif;
    gap: var(--space-button-gap);
    line-height: var(--leading-ui);
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04);
}

.btn-social:hover {
    background: #fafafa;
    border-color: rgba(0, 0, 0, 0.2);
    transform: translateY(-1px);
    box-shadow:
        0 2px 4px rgba(0, 0, 0, 0.06),
        0 4px 12px rgba(0, 0, 0, 0.08);
}

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

.login-link,
.terms-text {
    text-align: center;
    font-family: var(--font-body);
    font-size: var(--text-sm);
    font-weight: 400;
    line-height: normal;
    color: var(--color-text-secondary);
}

.login-link {
    margin-top: var(--space-6);
}

.login-link a,
.terms-text a {
    color: var(--color-text-primary);
    font-weight: 600;
    font-size: inherit;
    line-height: inherit;
    text-decoration: none;
    transition: color var(--transition-fast);
}

.login-link a:hover,
.terms-text a:hover {
    color: var(--color-text-primary);
    text-decoration: underline;
}

.terms-text {
    margin-top: var(--space-6);
    max-width: 400px;
    margin-left: auto;
    margin-right: auto;
}

.terms-text__line {
    margin: 0;
    font: inherit;
    color: inherit;
}

.terms-text__line + .terms-text__line {
    margin-top: var(--space-2);
}

/* Responsive */
@media (max-width: 480px) {
    .register-page {
        --auth-container-offset: var(--space-12);
    }

    .register-container {
        padding: var(--space-8) var(--space-6);
    }

    .register-header h1 {
        font-size: var(--text-2xl);
    }
}

/* ===========================
   Register Skeleton Loading
   Uses shared auth skeleton styles from login.css
   =========================== */

/* Register-specific skeleton container */
.skeleton-register-container {
    background: var(--surface-card);
    max-width: 460px;
    width: 100%;
    padding: var(--space-10);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-glass);
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
}

/* Extended form fields for register */
.skeleton-register-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.skeleton-register-form .skeleton-form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3);
}

@media (max-width: 480px) {
    .skeleton-register-form .skeleton-form-row {
        grid-template-columns: 1fr;
    }
}

/* Password requirements skeleton */
.skeleton-password-requirements {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
    padding-left: var(--space-1);
    margin-top: var(--space-1);
}

.skeleton-password-requirements .skeleton-req {
    height: 0.65rem;
    width: 70%;
}

/* Login link skeleton */
.skeleton-login-link {
    display: flex;
    justify-content: center;
    gap: var(--space-2);
    margin-top: var(--space-4);
}

/* Registration success overlay */
.register-success-overlay {
    position: fixed;
    inset: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.4s ease, visibility 0.4s ease;
}

body.dark-theme .register-success-overlay {
    background: rgba(7, 13, 24, 0.95);
}

.register-success-overlay.is-active {
    opacity: 1;
    visibility: visible;
}

.register-success-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-5);
    text-align: center;
    animation: success-bounce 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes success-bounce {
    from {
        opacity: 0;
        transform: scale(0.9) translateY(20px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

.register-success-icon {
    width: 80px;
    height: 80px;
    background: var(--state-success-bg);
    border: 2px solid var(--state-success-border);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
}

.register-success-icon .material-icons {
    font-size: var(--type-hero);
    color: var(--color-success);
}

.register-success-title {
    font-size: var(--text-2xl);
    font-weight: 700;
    color: var(--color-text-primary);
}

.register-success-message {
    font-size: var(--text-base);
    color: var(--color-text-secondary);
    max-width: 400px;
    line-height: 1.6;
}