/* =================================================================
   peritiq - AUTHENTICATION STYLES
   File: assets/css/auth.css
   Purpose: Styles for login/signup modal and related pages.
   Version: AAA Clean
   ================================================================= */

/* --- 1. Modal Overlay --- */
#auth-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(25, 25, 35, 0.85);
    backdrop-filter: blur(8px);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    opacity: 0;
    transition: opacity 0.3s ease;
}

/* --- 2. Modal Content Box --- */
.modal-content {
    background-color: var(--peritiq-background-secondary);
    padding: 2.5rem;
    border-radius: var(--peritiq-border-radius);
    border: 1px solid var(--peritiq-border-primary);
    width: 100%;
    max-width: 420px;
    position: relative;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    transform: scale(0.95);
    transition: transform 0.3s ease;
}

/* --- 3. Animation States --- */
#auth-modal.is-visible {
    display: flex;
    opacity: 1;
}

#auth-modal.is-visible .modal-content {
    transform: scale(1);
}

/* --- 4. Modal Header & Close Button --- */
.modal-header {
    text-align: center;
    margin-bottom: 1.5rem;
    display: block;
}

.auth-title {
    font-size: 1.8rem;
    color: var(--peritiq-text-primary);
    margin: 0 0 0.5rem 0;
    text-align: center;
}

.auth-intro-text {
    font-size: 0.95rem;
    color: var(--peritiq-text-secondary);
    text-align: center;
    margin: 0 0 1.5rem 0;
    line-height: 1.5;
}

.modal-close-btn {
    position: absolute;
    top: 15px;
    right: 15px;
    background: none;
    border: none;
    color: var(--peritiq-text-secondary);
    font-size: 1.8rem;
    cursor: pointer;
    padding: 5px;
    line-height: 1;
    transition: color 0.2s ease, transform 0.2s ease;
}

.modal-close-btn:hover {
    color: var(--peritiq-text-primary);
    transform: rotate(90deg);
}

/* --- 5. Form Groups --- */
.auth-form-group,
.form-group {
    position: relative;
    margin-bottom: 1rem;
}

.auth-form-group label,
.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    font-size: 0.95rem;
}

/* --- 6. Form Inputs --- */
.auth-input,
.form-group input {
    width: 100%;
    padding: 14px;
    background-color: var(--peritiq-background-base);
    border: 1px solid var(--peritiq-border-primary);
    border-radius: var(--peritiq-border-radius);
    color: var(--peritiq-text-primary);
    font-size: 1rem;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.auth-input:focus,
.form-group input:focus {
    outline: none;
    border-color: var(--peritiq-accent-signal);
    box-shadow: 0 0 0 3px rgba(0, 199, 199, 0.2);
}

/* --- 7. Input Validation States --- */
.form-group input.is-valid {
    border-color: var(--peritiq-accent-signal);
    box-shadow: 0 0 0 3px rgba(0, 199, 199, 0.2);
}

.form-group input.is-invalid,
input.is-invalid {
    border-color: #e57373;
    box-shadow: 0 0 0 3px rgba(229, 115, 115, 0.2);
}

/* --- 8. Form Error Messages --- */
.form-error-message {
    color: #f87171;
    font-size: 0.8rem;
    font-weight: 500;
    margin-top: 0.4rem;
    margin-bottom: 0.5rem;
    line-height: 1.4;
    display: none;
}

/* --- 9. Password Strength Meter --- */
.password-input-container {
    position: relative;
}

.password-toggle-btn {
    position: absolute;
    bottom: 48px;
    right: 12px;
    transform: translateY(50%);
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
    font-size: 1.2rem;
    color: var(--peritiq-text-secondary);
    line-height: 1;
}

.password-toggle-btn:hover {
    color: var(--peritiq-text-primary);
}

.password-strength-meter {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-top: 0.5rem;
    height: 18px;
}

.strength-bar {
    flex-grow: 1;
    height: 6px;
    background-color: var(--peritiq-border-primary);
    border-radius: 3px;
    transition: width 0.3s ease, background-color 0.3s ease;
    width: 0%;
}

.strength-text {
    font-size: 0.7em;
    font-weight: 500;
    color: var(--peritiq-text-secondary);
    transition: color 0.3s ease;
    white-space: nowrap;
}

/* Strength Bar Colors */
.strength-bar.weak { background-color: #ef5350; width: 25%; }
.strength-bar.medium { background-color: #ffc107; width: 50%; }
.strength-bar.strong { background-color: #66bb6a; width: 75%; }
.strength-bar.very-strong { background-color: var(--peritiq-accent-signal); width: 100%; }

/* Strength Text Colors */
.strength-text.weak { color: #ef5350; }
.strength-text.medium { color: #ffc107; }
.strength-text.strong { color: #66bb6a; }
.strength-text.very-strong { color: var(--peritiq-accent-signal); }

/* Password Criteria List */
#password-criteria {
    list-style: none;
    padding: 0;
    margin: 0.75rem 0;
    font-size: 0.9rem;
    color: var(--peritiq-text-secondary);
}

#password-criteria li::before {
    content: '○';
    margin-right: 0.5rem;
    color: var(--peritiq-graphite-medium);
    transition: color 0.3s ease;
}

#password-criteria li.valid::before {
    content: '●';
    color: var(--peritiq-accent-signal);
}

/* --- 10. Terms & Checkboxes --- */
.form-terms {
    margin-top: 1.25rem;
    margin-bottom: 0;
    font-size: 0.9rem;
    color: var(--peritiq-text-secondary);
}

.form-check {
    display: flex;
    align-items: center;
    margin-bottom: 0.5rem;
}

.form-check:last-child {
    margin-bottom: 0;
}

.form-check input[type="checkbox"] {
    margin-right: 0.75rem;
    accent-color: var(--peritiq-accent-signal);
}

.form-check label {
    margin: 0;
    font-weight: 400;
}

.form-check a {
    color: var(--peritiq-text-primary);
    text-decoration: underline;
    font-weight: 500;
}

/* --- 11. Buttons --- */
.btn-primary.w-100 {
    width: 100%;
    padding: 14px;
    background-color: var(--peritiq-brand-primary);
    border: 2px solid var(--peritiq-brand-primary);
    color: var(--peritiq-text-inverse);
    font-weight: 600;
    font-size: 1.1rem;
    border-radius: var(--peritiq-border-radius);
    cursor: pointer;
    transition: background-color 0.2s ease, border-color 0.2s ease, opacity 0.2s ease;
    margin-top: 1.25rem;
}

.btn-primary.w-100:hover {
    background-color: var(--peritiq-brand-primary-hover);
    border-color: var(--peritiq-brand-primary-hover);
}

.btn-primary.w-100:disabled {
    background-color: var(--peritiq-graphite-medium);
    border-color: var(--peritiq-graphite-medium);
    cursor: not-allowed;
    opacity: 0.6;
}

/* --- 12. Links & Alerts --- */
.auth-link,
.auth-link-secondary {
    color: var(--peritiq-accent-signal);
    text-decoration: none;
    font-weight: 500;
    cursor: pointer;
}

.auth-link:hover,
.auth-link-secondary:hover {
    text-decoration: underline;
}

.auth-link-secondary {
    color: var(--peritiq-text-secondary);
    font-weight: 400;
}

.auth-switch-text {
    text-align: center;
    margin-top: 1.25rem;
    font-size: 0.95rem;
}

.auth-switch-text a {
    color: var(--peritiq-accent-signal);
    text-decoration: none;
    font-weight: 500;
}

.auth-switch-text a:hover {
    text-decoration: underline;
}

.auth-switch-text a.auth-link-secondary {
    color: var(--peritiq-text-secondary);
    font-weight: 400;
}

.form-sub-link {
    text-align: right;
    font-size: 0.9rem;
    margin-top: 0.25rem;
    margin-bottom: 0.5rem;
}

.auth-alert {
    padding: 1rem;
    margin-bottom: 1rem;
    border-radius: var(--peritiq-border-radius);
    text-align: center;
    display: none;
}

.auth-alert-error {
    background-color: rgba(255, 82, 82, 0.1);
    color: #ff8a8a;
    border: 1px solid rgba(255, 82, 82, 0.3);
}

.auth-alert-success {
    background-color: rgba(0, 199, 199, 0.1);
    color: #64ffda;
    border: 1px solid rgba(0, 199, 199, 0.3);
}

/* --- 13. Standalone Auth Page --- */
.standalone-auth-wrapper {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: calc(100vh - 160px);
    padding: 2rem 0;
}

.auth-container {
    max-width: 480px;
    margin: 0;
    padding: 2.5rem;
    background-color: var(--peritiq-background-secondary);
    border-radius: var(--peritiq-border-radius);
    border: 1px solid var(--peritiq-border-primary);
    text-align: center;
    width: 100%;
}

/* --- 14. Success Modal --- */
.success-container .success-message-placeholder {
    text-align: center;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.resend-container {
    text-align: center;
    font-size: 0.9rem;
    color: var(--peritiq-text-secondary);
    margin-bottom: 1.75rem;
}

.resend-container p {
    margin: 0;
}

#resend-link {
    color: var(--peritiq-accent-signal);
    text-decoration: underline;
    cursor: pointer;
}

#resend-countdown {
    display: none;
    color: var(--peritiq-accent-signal);
    font-weight: 500;
}

/* --- 15. Forgot Password Specifics --- */
#form-forgot-password .form-group {
    margin-bottom: 1.5rem;
}

/* --- 16. Browser Autofill Override --- */
input:-webkit-autofill,
input:-webkit-autofill:hover,
input:-webkit-autofill:focus,
input:-webkit-autofill:active {
    -webkit-text-fill-color: var(--peritiq-text-primary) !important;
    -webkit-box-shadow: 0 0 0 30px var(--peritiq-background-base) inset !important;
    background-color: var(--peritiq-background-base) !important;
}

/* --- 17. Mobile & Tablet Responsive --- */
@media (max-width: 480px) {
    .modal-content {
        padding: 1.75rem 1.25rem;
        margin: 0.75rem;
        width: calc(100% - 1.5rem);
        max-width: none;
    }

    .auth-title {
        font-size: 1.5rem;
        margin-bottom: 0.5rem;
    }

    .auth-intro-text {
        font-size: 0.9rem;
        margin-bottom: 1.25rem;
    }

    .form-group input,
    .auth-input {
        padding: 12px;
        font-size: 16px; /* Prevents iOS zoom */
    }

    .btn-primary.w-100 {
        padding: 12px;
        font-size: 1rem;
        margin-top: 1rem;
    }

    .form-terms {
        margin-top: 1rem;
    }

    .auth-switch-text {
        margin-top: 1rem;
        font-size: 0.9rem;
    }

    .password-checklist {
        gap: 0.25rem;
    }

    .password-checklist li {
        font-size: 0.62rem;
        padding: 0.2rem 0.4rem;
    }

    .auth-container {
        margin: 2rem 1rem;
        padding: 2rem 1.5rem;
    }
}

@media (max-width: 360px) {
    .modal-content {
        padding: 1.5rem 1rem;
    }

    .auth-title {
        font-size: 1.35rem;
    }

    .password-checklist li {
        font-size: 0.58rem;
    }
}