/* =====================================================
   REGISTER PAGE STYLES
   Professional registration page styling
===================================================== */

/* =====================================================
   REGISTER PAGE
===================================================== */

.register-page {
    min-height: calc(100vh - 70px - 200px);
    padding: clamp(1rem, 3vh, 2rem) 0;
    background: var(--gradient-dark);
}

/* =====================================================
   REGISTER WRAPPER
===================================================== */

.register-wrapper {
    display: grid;
    grid-template-columns: minmax(0, 680px);
    justify-content: center;
    width: 100%;
    max-width: 1440px;
    margin: 0 auto;
    align-items: start;
}

/* =====================================================
   REGISTER SECTION
===================================================== */

.register-section {
    width: 100%;
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-xl);
    padding: clamp(1.25rem, 3vw, 2rem);
    box-shadow: var(--shadow-lg);
}

/* =====================================================
   REGISTER HEADER
===================================================== */

.register-header {
    text-align: center;
    margin-bottom: clamp(1rem, 2.5vh, 2rem);
}

.register-logo {
    display: flex;
    justify-content: center;
    margin-bottom: var(--space-4);
}

.register-logo svg {
    filter: drop-shadow(0 0 20px rgba(0, 229, 255, 0.3));
}

.register-title {
    font-size: var(--fs-xl);
    margin-bottom: var(--space-3);
    color: var(--text-heading);
}

/* Selected Plan Info */
.selected-plan-info {
    background: var(--bg-card-hover);
    border: 1px solid var(--border-brand);
    border-radius: var(--radius-md);
    padding: var(--space-4);
    margin: var(--space-4) 0;
    box-shadow: var(--shadow-neon);
}

.plan-info-content {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    flex-wrap: wrap;
}

.plan-info-label {
    font-size: 14px;
    color: var(--text-secondary);
    font-weight: 500;
}

.plan-info-name {
    font-size: 18px;
    font-weight: 700;
    color: var(--brand-cyan);
    text-shadow: var(--glow-cyan);
}

.plan-info-price {
    font-size: 18px;
    font-weight: 700;
    color: var(--success);
}

.plan-info-trial {
    font-size: 14px;
    color: var(--brand-purple);
    font-weight: 600;
    padding: 4px 12px;
    background: rgba(108, 99, 255, 0.1);
    border-radius: var(--radius-sm);
}

.register-subtitle {
    color: var(--text-secondary);
    font-size: var(--fs-md);
}

/* =====================================================
   REGISTER FORM
===================================================== */

.register-form {
    display: flex;
    flex-direction: column;
    gap: clamp(0.65rem, 1.6vh, 1.25rem);
}

/* =====================================================
   FORM GROUPS (Reuse from login.css) */
.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

.form-label {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-weight: 600;
    color: var(--text-heading);
    font-size: var(--fs-sm);
}

.label-icon {
    font-size: var(--fs-md);
}

.input-wrapper {
    position: relative;
}

.form-input {
    width: 100%;
    padding: 0.7rem 1rem;
    padding-right: var(--space-12);
    background: var(--bg-surface);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    color: var(--text-body);
    font-family: var(--font-main);
    font-size: var(--fs-md);
    transition: all var(--transition-fast);
    text-rendering: optimizeLegibility;
    font-feature-settings: "kern" 1, "liga" 1;
}

.form-input:focus {
    outline: none;
    border-color: var(--border-brand);
    box-shadow: 0 0 0 3px rgba(0, 229, 255, 0.1);
}

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

.form-input.error {
    border-color: var(--error);
    box-shadow: 0 0 0 3px rgba(255, 69, 96, 0.1);
}

.form-input.success {
    border-color: var(--success);
}

.input-icon {
    position: absolute;
    right: var(--space-4);
    top: 50%;
    transform: translateY(-50%);
    color: var(--success);
    font-size: var(--fs-lg);
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.form-input.success + .input-icon {
    opacity: 1;
}

/* =====================================================
   PASSWORD TOGGLE (Reuse from login.css) */
.password-toggle {
    position: absolute;
    right: var(--space-4);
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-2);
    color: var(--text-muted);
    transition: color var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
}

.password-toggle:hover {
    color: var(--text-brand);
}

.password-toggle .eye-closed {
    display: none;
}

.password-toggle.show-password .eye-open {
    display: none;
}

.password-toggle.show-password .eye-closed {
    display: block;
}

/* =====================================================
   PASSWORD STRENGTH INDICATOR */
.password-strength {
    display: none;
    margin-top: var(--space-2);
}

.password-strength.is-visible {
    display: block;
}

.strength-bar {
    height: 4px;
    background: var(--border-light);
    border-radius: 2px;
    overflow: hidden;
    margin-bottom: var(--space-1);
}

.strength-fill {
    height: 100%;
    width: 0%;
    transition: all var(--transition-fast);
    border-radius: 2px;
}

.strength-fill.weak {
    width: 33%;
    background: var(--error);
}

.strength-fill.medium {
    width: 66%;
    background: var(--warning);
}

.strength-fill.strong {
    width: 100%;
    background: var(--success);
}

.strength-text {
    font-size: var(--fs-xs);
    color: var(--text-muted);
}

.strength-text.weak {
    color: var(--error);
}

.strength-text.medium {
    color: var(--warning);
}

.strength-text.strong {
    color: var(--success);
}

/* =====================================================
   FORM ERRORS (Reuse from login.css) */
.form-error {
    display: none;
    color: var(--error);
    font-size: var(--fs-xs);
    align-items: center;
    gap: var(--space-1);
}

.form-error:not(:empty) {
    display: flex;
    min-height: 16px;
}

.form-error::before {
    content: '⚠';
}

/* =====================================================
   CHECKBOX STYLES */
.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: var(--space-2);
    cursor: pointer;
    user-select: none;
}

.checkbox-large {
    align-items: flex-start;
}

.checkbox-input {
    width: 18px;
    height: 18px;
    accent-color: var(--brand-cyan);
    cursor: pointer;
    margin-top: 2px;
    flex-shrink: 0;
}

.checkbox-text {
    color: var(--text-body);
    font-size: var(--fs-sm);
    line-height: 1.5;
}

.terms-link {
    color: var(--text-brand);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.terms-link:hover {
    color: var(--brand-blue);
    text-decoration: underline;
}

/* =====================================================
   BUTTONS (Reuse from login.css) */
.btn-block {
    width: 100%;
    justify-content: center;
}

.btn-large {
    padding: var(--space-4) var(--space-6);
    font-size: var(--fs-md);
}

.btn {
    position: relative;
    overflow: hidden;
}

.btn-text {
    transition: opacity var(--transition-fast);
}

.btn-loader {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 20px;
    height: 20px;
    border: 2px solid transparent;
    border-top-color: currentColor;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    opacity: 0;
    pointer-events: none;
}

.btn.loading .btn-text {
    opacity: 0;
}

.btn.loading .btn-loader {
    opacity: 1;
}

@keyframes spin {
    to {
        transform: translate(-50%, -50%) rotate(360deg);
    }
}

/* =====================================================
   REGISTER FOOTER */
.register-footer {
    text-align: center;
    margin-top: var(--space-6);
    padding-top: var(--space-6);
    border-top: 1px solid var(--border-light);
}

.login-text {
    color: var(--text-secondary);
    font-size: var(--fs-sm);
}

.login-link {
    color: var(--text-brand);
    text-decoration: none;
    font-weight: 600;
    transition: color var(--transition-fast);
}

.login-link:hover {
    color: var(--brand-blue);
}

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

@media (max-width: 1024px) {
    .register-wrapper {
        grid-template-columns: 1fr;
        max-width: 600px;
    }

}

@media (max-width: 768px) {
    .register-page {
        padding: 1rem 0;
    }

    .register-section {
        padding: 1.25rem;
    }

    .register-title {
        font-size: 28px;
    }

}

@media (min-width: 769px) and (max-height: 850px) {
    .register-page {
        padding-top: 0.75rem;
        padding-bottom: 0.75rem;
    }

    .register-section {
        padding: 1.25rem 1.75rem;
    }

    .register-header {
        margin-bottom: 0.75rem;
    }

    .register-logo {
        margin-bottom: 0.5rem;
    }

    .register-title {
        margin-bottom: 0.25rem;
    }

    .register-form {
        gap: 0.55rem;
    }

    .form-input {
        padding-top: 0.55rem;
        padding-bottom: 0.55rem;
    }

    .register-footer {
        margin-top: 0.75rem;
        padding-top: 0.75rem;
    }
}

@media (max-width: 480px) {
    .register-section {
        padding: var(--space-5);
    }

    .register-title {
        font-size: 24px;
    }

    .form-input {
        padding: var(--space-3) var(--space-4);
        font-size: var(--fs-sm);
    }

    .btn-large {
        padding: var(--space-3) var(--space-5);
        font-size: var(--fs-sm);
    }

}

/* =====================================================
   ANIMATIONS
===================================================== */

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.register-section {
    animation: fadeInUp 0.6s ease forwards;
}

/* =====================================================
   ACCESSIBILITY
===================================================== */

.form-input:focus,
.password-toggle:focus {
    outline: 2px solid var(--border-brand);
    outline-offset: 2px;
}