/* ============================================
   DealFlipAI Auth Pages Styles
   Clean Professional Glassmorphism Design
   ============================================ */

/* Auth Page Base */
.auth-page {
    min-height: 100vh;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding: var(--space-6) var(--space-6) var(--space-10);
    font-family: var(--font-family);
    background: var(--df-bg);
    position: relative;
    overflow-x: hidden;
    overflow-y: auto;
}

/* Center content vertically on tall screens */
@media (min-height: 900px) {
    .auth-page {
        align-items: center;
    }
}

/* Mesh Background */
.auth-background {
    position: fixed;
    inset: 0;
    z-index: 0;
    overflow: hidden;
}

.mesh-gradient {
    position: absolute;
    inset: 0;
    background: var(--df-page-bg-gradient);
}

.gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: var(--auth-orb-opacity, 0.5);
}

:root[data-theme="dark"] {
    --auth-orb-opacity: 0.18;
}

.orb-1 {
    width: 600px;
    height: 600px;
    background: linear-gradient(135deg, #BFDBFE, #C7D2FE);
    top: -200px;
    right: -200px;
}

.orb-2 {
    width: 500px;
    height: 500px;
    background: linear-gradient(135deg, #A5F3FC, #BAE6FD);
    bottom: -150px;
    left: -150px;
}

/* Auth Container */
.auth-container {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 420px;
    display: flex;
    flex-direction: column;
    align-items: center;
    margin: auto 0;
    padding-top: var(--space-4);
}

/* Logo */
.auth-logo {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    text-decoration: none;
    margin-bottom: var(--space-6);
}

.auth-logo .logo-text {
    font-size: var(--text-xl);
    font-weight: var(--font-bold);
    background: linear-gradient(135deg, #1E3A8A 0%, #0891B2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: var(--tracking-tight);
}

/* Auth Card - Glassmorphism */
.auth-card {
    width: 100%;
    background: var(--df-glass-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--df-glass-border);
    border-radius: var(--radius-3xl);
    padding: var(--space-8);
    box-shadow: 0 4px 24px var(--df-shadow-color);
}

/* Auth Header */
.auth-header {
    text-align: center;
    margin-bottom: var(--space-6);
}

.auth-header h1 {
    font-size: var(--text-2xl);
    font-weight: var(--font-bold);
    color: var(--df-text);
    margin: 0 0 var(--space-2) 0;
    letter-spacing: var(--tracking-tight);
}

.auth-header p {
    font-size: var(--text-base);
    color: var(--df-text-2);
    margin: 0;
}

.auth-icon {
    width: 56px;
    height: 56px;
    background: var(--primary-100);
    border-radius: var(--radius-2xl);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--space-4);
    color: var(--primary-600);
}

.auth-icon.success {
    background: var(--success-100);
    color: var(--success-600);
}

/* Form Styles */
.auth-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.form-group label {
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    color: var(--df-text-2);
}

.label-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.forgot-link {
    font-size: var(--text-sm);
    color: var(--primary-600);
    text-decoration: none;
    font-weight: var(--font-medium);
    transition: color var(--transition-fast);
}

.forgot-link:hover {
    color: var(--primary-700);
}

/* Input Wrapper */
.input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.input-icon {
    position: absolute;
    left: var(--space-4);
    color: var(--df-text-3);
    pointer-events: none;
    display: flex;
}

.form-input {
    width: 100%;
    padding: var(--space-4) var(--space-4) var(--space-4) var(--space-12);
    font-size: var(--text-base);
    font-family: inherit;
    color: var(--df-text);
    background: var(--df-input-bg);
    border: 1px solid var(--df-border);
    border-radius: var(--radius-xl);
    outline: none;
    transition: all var(--transition-fast);
}

.form-input:focus {
    border-color: var(--df-primary);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.18);
    background: var(--df-input-bg-focus);
}

.form-input::placeholder {
    color: var(--df-text-3);
}

/* Password Toggle */
.password-toggle {
    position: absolute;
    right: var(--space-4);
    background: none;
    border: none;
    padding: 0;
    cursor: pointer;
    color: var(--df-text-3);
    display: flex;
    transition: color var(--transition-fast);
}

.password-toggle:hover {
    color: var(--df-text-2);
}

.password-toggle .hidden {
    display: none;
}

/* Checkbox */
.checkbox-group {
    flex-direction: row;
    align-items: center;
    gap: var(--space-3);
}

.form-checkbox {
    width: 18px;
    height: 18px;
    accent-color: var(--primary-600);
    cursor: pointer;
}

.checkbox-label {
    font-size: var(--text-sm);
    color: var(--df-text-2);
    cursor: pointer;
    margin: 0;
}

/* Password Requirements */
.password-requirements {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2) var(--space-4);
    margin-top: var(--space-2);
}

.password-requirements .requirement {
    font-size: var(--text-xs);
    color: var(--df-text-3);
}

/* Form Error */
.form-error {
    font-size: var(--text-sm);
    color: var(--error-600);
    margin-top: var(--space-1);
}

/* Primary Button Full Width */
.btn-primary-full {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    width: 100%;
    padding: var(--space-4) var(--space-6);
    font-size: var(--text-base);
    font-weight: var(--font-semibold);
    font-family: inherit;
    color: white;
    background: var(--df-primary);
    border: none;
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all var(--transition-fast);
    margin-top: var(--space-2);
}

.btn-primary-full:hover {
    background: var(--df-primary-darker);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.25);
}

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

/* Divider */
.auth-divider {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    margin: var(--space-6) 0;
    color: var(--df-text-3);
    font-size: var(--text-sm);
}

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

/* OAuth Buttons */
.oauth-buttons {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    margin-top: var(--space-4);
}

.oauth-provider {
    width: 100%;
}

/* Google Sign-In button container - style to match dark mode */
#google-signin-container {
    border-radius: var(--radius-full);
    overflow: hidden;
}

/* Dark mode: add dark background/border to blend Google button */
:root[data-theme="dark"] #google-signin-container {
    background: #131314;
    border: 1px solid #303134;
    border-radius: var(--radius-full);
    padding: 2px;
}

/* Target the Google iframe/div to have rounded corners */
#google-signin-container iframe,
#google-signin-container > div {
    border-radius: var(--radius-full) !important;
    overflow: hidden;
}

.oauth-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    width: 100%;
    padding: var(--space-4) var(--space-6);
    font-size: var(--text-base);
    font-weight: var(--font-semibold);
    font-family: inherit;
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all var(--transition-fast);
    border: 1px solid var(--df-border);
    background: var(--df-input-bg);
    color: var(--df-text);
}

.oauth-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px var(--df-shadow-color);
}

.oauth-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.oauth-apple {
    background: #000;
    border-color: #000;
    color: #fff;
}

.oauth-apple:hover {
    background: #111;
    border-color: #111;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.25);
}

/* Footer */
.auth-footer {
    text-align: center;
    font-size: var(--text-sm);
    color: var(--df-text-2);
    margin: 0;
}

.auth-footer a {
    color: var(--primary-600);
    font-weight: var(--font-medium);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.auth-footer a:hover {
    color: var(--primary-700);
}

/* Terms */
.auth-terms {
    text-align: center;
    font-size: var(--text-xs);
    color: var(--df-text-3);
    margin-top: var(--space-6);
    line-height: var(--leading-relaxed);
}

.auth-terms a {
    color: var(--df-text-2);
    text-decoration: underline;
    text-underline-offset: 2px;
}

.auth-terms a:hover {
    color: var(--primary-600);
}

/* Alert Messages */
.alert {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    padding: var(--space-4);
    border-radius: var(--radius-xl);
    font-size: var(--text-sm);
    margin-bottom: var(--space-4);
}

.alert-icon {
    flex-shrink: 0;
    font-size: var(--text-base);
}

.alert-error {
    background: var(--error-50);
    border: 1px solid var(--error-200);
    color: var(--error-700);
}

.alert-success {
    background: var(--success-50);
    border: 1px solid var(--success-200);
    color: var(--success-700);
}

.alert-info {
    background: var(--primary-50);
    border: 1px solid var(--primary-200);
    color: var(--primary-700);
}

.alert-warning {
    background: var(--accent-50);
    border: 1px solid var(--accent-200);
    color: var(--accent-700);
}

/* Utility */
.hidden {
    display: none !important;
}

/* Responsive */
@media (max-width: 768px) {
    .auth-page {
        padding: var(--space-4) var(--space-4) var(--space-8);
        align-items: flex-start;
    }

    .auth-container {
        padding-top: var(--space-2);
    }

    .auth-logo {
        margin-bottom: var(--space-4);
    }

    .auth-card {
        padding: var(--space-5);
        border-radius: var(--radius-2xl);
    }

    .auth-header {
        margin-bottom: var(--space-4);
    }

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

    .auth-form {
        gap: var(--space-3);
    }

    .form-input {
        padding: var(--space-3) var(--space-3) var(--space-3) var(--space-10);
    }

    .input-icon {
        left: var(--space-3);
    }

    .password-toggle {
        right: var(--space-3);
    }
}

/* Mobile phones (480px and below) */
@media (max-width: 480px) {
    .auth-page {
        padding: var(--space-3) var(--space-3) var(--space-6);
    }

    .auth-container {
        max-width: 100%;
    }

    .auth-logo .logo-text {
        font-size: var(--text-lg);
    }

    .auth-card {
        padding: var(--space-4);
        border-radius: var(--radius-xl);
    }

    .auth-header h1 {
        font-size: var(--text-lg);
    }

    .auth-header p {
        font-size: var(--text-sm);
    }

    .auth-icon {
        width: 48px;
        height: 48px;
    }

    .form-input {
        padding: var(--space-3) var(--space-3) var(--space-3) var(--space-10);
        font-size: 16px; /* Prevents iOS zoom on focus */
    }

    .btn-primary-full {
        padding: var(--space-3) var(--space-4);
        font-size: var(--text-sm);
        min-height: 44px; /* Touch-friendly */
    }

    .auth-divider {
        margin: var(--space-4) 0;
    }

    .auth-terms {
        margin-top: var(--space-4);
    }

    .password-requirements {
        gap: var(--space-1) var(--space-3);
    }
}

/* Very small phones (320px and below) */
@media (max-width: 320px) {
    .auth-page {
        padding: var(--space-2);
    }

    .auth-card {
        padding: var(--space-3);
    }

    .auth-header h1 {
        font-size: var(--text-base);
    }

    .form-group label {
        font-size: var(--text-xs);
    }

    .label-row {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-1);
    }

    .forgot-link {
        font-size: var(--text-xs);
    }

    .checkbox-label {
        font-size: var(--text-xs);
    }

    .auth-footer {
        font-size: var(--text-xs);
    }

    .auth-terms {
        font-size: 10px;
    }
}

/* Touch device optimizations */
@media (hover: none) and (pointer: coarse) {
    .btn-primary-full {
        min-height: 48px;
    }

    .form-input {
        min-height: 48px;
    }

    .form-checkbox {
        width: 22px;
        height: 22px;
    }

    .password-toggle {
        padding: var(--space-2);
        min-width: 44px;
        min-height: 44px;
    }
}

/* Safe area insets for iPhone X and newer */
@supports (padding: max(0px)) {
    .auth-page {
        padding-bottom: max(var(--space-6), env(safe-area-inset-bottom));
    }

    @media (max-width: 480px) {
        .auth-page {
            padding-left: max(var(--space-3), env(safe-area-inset-left));
            padding-right: max(var(--space-3), env(safe-area-inset-right));
        }
    }
}