/* register/main.css - Register Page Styles */

/********** CSS Variables **********/
:root {
    --reg-bg: #f5f5f5;
    --reg-card-bg: #ffffff;
    --reg-text: #333333;
    --reg-text-secondary: #666666;
    --reg-border: #e0e0e0;
    --reg-input-bg: #f9f9f9;
    --reg-primary: #117e96;
    --reg-primary-hover: #0d6a7f;
    --reg-error: #e74c3c;
    --reg-success: #27ae60;
    --reg-warning: #f39c12;
    --reg-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    --reg-google-hover-bg: #eeeeee;
}

:root[app-theme='dark'] {
    --reg-bg: #0a0a0a;
    --reg-card-bg: #1a1a1a;
    --reg-text: #eeeeee;
    --reg-text-secondary: #aaaaaa;
    --reg-border: #333333;
    --reg-input-bg: #252525;
    --reg-primary: #117e96;
    --reg-primary-hover: #13aeab;
    --reg-error: #e74c3c;
    --reg-success: #27ae60;
    --reg-warning: #f39c12;
    --reg-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    --reg-google-hover-bg: #2a2a2a;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    background-color: var(--reg-bg);
    color: var(--reg-text);
    line-height: 1.6;
}

/********** Page Layout **********/
.register-page {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.register-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 2rem 1rem;
}

/********** Logo **********/
.register-logo {
    margin-bottom: 2rem;
}

.register-logo a {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
    color: var(--reg-primary);
    font-size: 1.5rem;
    font-weight: bold;
}

.register-logo i {
    font-size: 1.75rem;
}

/********** Register Card **********/
.register-card {
    width: 100%;
    max-width: 420px;
    background: var(--reg-card-bg);
    border-radius: 1rem;
    box-shadow: var(--reg-shadow);
    overflow: hidden;
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--reg-primary);
    padding: 1rem 1.5rem;
}

.register-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: #fff;
    margin: 0;
}

.card-header .theme-toggle {
    background: rgba(255, 255, 255, 0.2);
    border: none;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 1rem;
    transition: background 0.2s;
}

.card-header .theme-toggle:hover {
    background: rgba(255, 255, 255, 0.3);
}

.card-body {
    padding: 2rem;
}

/********** Form Styles **********/
.register-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.375rem;
}

.form-label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--reg-text-secondary);
}

.form-hint {
    font-size: 0.75rem;
    color: var(--reg-text-secondary);
    opacity: 0.8;
}

.input-wrap {
    position: relative;
    display: flex;
    align-items: center;
}

.input-wrap > i:first-child {
    position: absolute;
    left: 1rem;
    color: var(--reg-text-secondary);
    font-size: 0.875rem;
}

.form-input {
    width: 100%;
    padding: 0.875rem 1rem 0.875rem 2.75rem;
    font-size: 1rem;
    border: 1px solid var(--reg-border);
    border-radius: 0.5rem;
    background: var(--reg-input-bg);
    color: var(--reg-text);
    transition: border-color 0.2s, box-shadow 0.2s;
}

/* Password input needs extra right padding for toggle button */
input[type="password"].form-input {
    padding-right: 3rem;
}

.form-input:focus {
    outline: none;
    border-color: var(--reg-primary);
    box-shadow: 0 0 0 3px rgba(17, 126, 150, 0.15);
}

.form-input::placeholder {
    color: var(--reg-text-secondary);
    opacity: 0.6;
}

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

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

.toggle-password {
    position: absolute;
    right: 1rem;
    background: none;
    border: none;
    color: var(--reg-text-secondary);
    cursor: pointer;
    padding: 0.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.toggle-password:hover {
    color: var(--reg-primary);
}

/********** Password Strength **********/
.password-strength {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 0.25rem;
}

.strength-bar {
    flex: 1;
    height: 4px;
    background: var(--reg-border);
    border-radius: 2px;
    overflow: hidden;
}

.strength-bar span {
    display: block;
    height: 100%;
    width: 0;
    border-radius: 2px;
    transition: width 0.3s, background-color 0.3s;
}

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

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

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

.strength-text {
    font-size: 0.75rem;
    min-width: 50px;
}

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

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

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

/********** Form Agreement **********/
.form-agreement {
    font-size: 0.8125rem;
}

.form-agreement a {
    color: var(--reg-primary);
    text-decoration: none;
}

.form-agreement a:hover {
    text-decoration: underline;
}

.checkbox-wrap {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    cursor: pointer;
    color: var(--reg-text-secondary);
    line-height: 1.4;
}

.checkbox-wrap input[type="checkbox"] {
    display: none;
}

.checkmark {
    width: 18px;
    height: 18px;
    min-width: 18px;
    border: 2px solid var(--reg-border);
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
    margin-top: 2px;
}

.checkbox-wrap input[type="checkbox"]:checked + .checkmark {
    background: var(--reg-primary);
    border-color: var(--reg-primary);
}

.checkbox-wrap input[type="checkbox"]:checked + .checkmark::after {
    content: '✓';
    color: white;
    font-size: 12px;
    font-weight: bold;
}

/********** Form Message **********/
.form-message {
    display: none;
    padding: 0.75rem 1rem;
    border-radius: 0.5rem;
    font-size: 0.875rem;
    text-align: center;
}

.form-message.error {
    display: block;
    background: rgba(231, 76, 60, 0.1);
    color: var(--reg-error);
    border: 1px solid rgba(231, 76, 60, 0.2);
}

.form-message.success {
    display: block;
    background: rgba(39, 174, 96, 0.1);
    color: var(--reg-success);
    border: 1px solid rgba(39, 174, 96, 0.2);
}

/********** Submit Button **********/
.btn-submit {
    width: 100%;
    padding: 0.875rem 1.5rem;
    font-size: 1rem;
    font-weight: 600;
    color: white;
    background: var(--reg-primary);
    border: none;
    border-radius: 0.5rem;
    cursor: pointer;
    transition: background 0.2s, transform 0.1s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 0.5rem;
}

.btn-submit:hover {
    background: var(--reg-primary-hover);
}

.btn-submit:active {
    transform: scale(0.98);
}

.btn-submit .loading-icon {
    display: none;
}

.btn-submit.loading .loading-icon {
    display: inline-block;
    position: absolute;
}

.btn-submit.loading span {
    visibility: hidden;
}

.btn-submit {
    position: relative;
}

/********** Divider **********/
.register-divider {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin: 1.5rem 0;
}

.register-divider::before,
.register-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--reg-border);
}

.register-divider span {
    font-size: 0.85rem;
    color: var(--reg-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/********** Google Button **********/
.btn-google {
    width: 100%;
    padding: 0.75rem 1.5rem;
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--reg-text);
    background: var(--reg-input-bg);
    border: 1px solid var(--reg-border);
    border-radius: 0.5rem;
    cursor: pointer;
    transition: background 0.2s, border-color 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    text-decoration: none;
}

.btn-google:hover {
    background: var(--reg-google-hover-bg);
    border-color: var(--reg-primary);
}

.btn-google svg {
    flex-shrink: 0;
}

/********** Register Footer **********/
.register-footer {
    margin-top: 1.5rem;
    text-align: center;
    font-size: 0.875rem;
    color: var(--reg-text-secondary);
}

.register-footer a {
    color: var(--reg-primary);
    text-decoration: none;
    font-weight: 500;
    margin-left: 0.25rem;
}

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

/********** Theme Toggle **********/

.btn-theme {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--reg-card-bg);
    border: 1px solid var(--reg-border);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
    color: var(--reg-text-secondary);
}

.btn-theme:hover {
    border-color: var(--reg-primary);
    color: var(--reg-primary);
}

.btn-theme .fa-moon {
    display: none;
}

:root[app-theme='dark'] .btn-theme .fa-sun {
    display: none;
}

:root[app-theme='dark'] .btn-theme .fa-moon {
    display: inline-block;
}

/********** Footer **********/
.site-footer {
    padding: 1rem;
    text-align: center;
    font-size: 0.85rem;
    color: var(--reg-text-secondary);
    background: transparent;
}

.footer-content {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.footer-content a {
    color: var(--reg-text-secondary);
    text-decoration: none;
}

.footer-content a:hover {
    color: var(--reg-primary);
}

.footer-divider {
    color: var(--reg-border);
}

/********** Responsive **********/
@media (max-width: 480px) {
    .card-header {
        padding: 0.75rem 1rem;
    }
    
    .card-body {
        padding: 1rem;
    }
    
    .register-title {
        font-size: 1.1rem;
    }
    
    .card-header .theme-toggle {
        width: 32px;
        height: 32px;
        font-size: 0.9rem;
    }
}