:root {
    /* Modern Light Color Palette */
    --color-white: #FFFFFF;
    --color-white-rgb: 255, 255, 255;
    --color-off-white: #F9FAFB;
    --color-off-white-rgb: 249, 250, 251;
    --color-light-gray: #F3F4F6;
    --color-medium-gray: #9CA3AF;
    --color-dark-gray: #111111;
    --color-text: #1F2937;
    --color-text-rgb: 31, 41, 55;
    --color-text-light: #6B7280;

    /* Dashboard Dark Background Colors */
    --color-bg-dark-1: #111111;
    --color-bg-dark-2: #1a1a1a;

    /* Primary Brand Colors - Yellow Theme */
    --color-primary: #FFD700; /* Yellow from dashboard */
    --color-primary-dark: #f0c800; /* Darker yellow from dashboard hover */
    --color-primary-light: #FFE866; /* Lighter yellow */

    /* Accent Colors */
    --color-accent: #10B981;
    --color-accent-light: #D1FAE5;
    --color-error: #EF4444;
    --color-error-light: #FEE2E2;
    --color-warning: #FFD700;
    --color-warning-light: #FFF8CC;
    --color-info: #FFD700; /* Changed to match primary */
    --color-info-light: #FFF8CC; /* Changed to match primary light */

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-card: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-focus: 0 0 0 3px rgba(255, 215, 0, 0.3); /* Updated to dashboard yellow */
    --shadow-focus-error: 0 0 0 3px rgba(239, 68, 68, 0.25);
    --shadow-focus-success: 0 0 0 3px rgba(16, 185, 129, 0.25);

    /* Typography */
    --font-main: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;

    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 300ms ease;
    --transition-slow: 500ms ease;
    --transition-bounce: 300ms cubic-bezier(0.34, 1.56, 0.64, 1);

    /* Z-index layers */
    --z-index-dropdown: 1000;
    --z-index-modal: 2000;
    --z-index-toast: 3000;
    --z-index-overlay: 4000;
}

/* Dark mode styles - Applied when user prefers dark mode */
@media (prefers-color-scheme: dark) {
    :root {
        /* Dark Mode Color Palette */
        --color-white: #2D2D2D; /* Dark background instead of white - changed from bluish to neutral dark */
        --color-white-rgb: 45, 45, 45;
        --color-off-white: #1A1A1A; /* Darker background - more neutral dark */
        --color-off-white-rgb: 26, 26, 26;
        --color-light-gray: #374151;
        --color-medium-gray: #6B7280;
        --color-dark-gray: #9CA3AF;
        --color-text: #F9FAFB; /* Light text on dark background */
        --color-text-rgb: 249, 250, 251;
        --color-text-light: #D1D5DB;

        /* Primary Brand Colors - Yellow Theme for Dark Mode */
        --color-primary: #FFD700; /* Same yellow from dashboard */
        --color-primary-dark: #f0c800; /* Same darker yellow from dashboard */
        --color-primary-light: #FFE866; /* Adjusted for dark mode */

        /* Accent Colors for Dark Mode */
        --color-accent: #10B981;
        --color-accent-light: #059669;
        --color-error: #EF4444;
        --color-error-light: #B91C1C;
        --color-warning: #FFD700;
        --color-warning-light: #f0c800;
        --color-info: #FFD700;
        --color-info-light: #f0c800;

        /* Shadows for Dark Mode */
        --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
        --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -1px rgba(0, 0, 0, 0.2);
        --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5), 0 4px 6px -2px rgba(0, 0, 0, 0.3);
        --shadow-card: 0 20px 25px -5px rgba(0, 0, 0, 0.5), 0 10px 10px -5px rgba(0, 0, 0, 0.3);
        --shadow-focus: 0 0 0 3px rgba(255, 215, 0, 0.4);
        --shadow-focus-error: 0 0 0 3px rgba(239, 68, 68, 0.4);
        --shadow-focus-success: 0 0 0 3px rgba(16, 185, 129, 0.4);
    }
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-main);
    margin: 0;
    padding: 0;
    background-color: var(--color-bg-dark-1); /* Changed to match the dashboard dark background */
    color: var(--color-text);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    overflow-x: hidden;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* --- Header (Consistent with homepage.html) --- */
.main-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 5%;
    background-color: transparent;
    z-index: 1000;
    box-sizing: border-box;
    transition: all var(--transition-normal);
}

.main-header.scrolled {
    background-color: rgba(var(--color-bg-dark-1, 17, 17, 17), 0.9);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
}

.logo-container img {
    height: 40px;
}

.main-nav a {
    margin: 0 15px;
    text-decoration: none;
    color: #FFFFFF; /* Fixed white color for better visibility on dark background */
    font-weight: 500;
    transition: color var(--transition-fast);
    position: relative;
    padding-bottom: 4px;
}

.main-nav a:hover {
    color: var(--color-primary);
}

.main-nav a::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 2px;
    bottom: 0;
    left: 0;
    background-color: var(--color-primary);
    transform: scaleX(0);
    transform-origin: bottom right;
    transition: transform var(--transition-normal);
}

.main-nav a:hover::after {
    transform: scaleX(1);
    transform-origin: bottom left;
}

.signin-btn {
    padding: 8px 20px;
    background-color: var(--color-primary);
    color: var(--color-white);
    border-radius: var(--radius-md);
    text-decoration: none;
    font-weight: 600;
    transition: all var(--transition-fast);
    box-shadow: var(--shadow-sm);
}

.signin-btn:hover {
    background-color: var(--color-primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* --- Hide navigation on authentication pages --- */
.auth-page .main-nav,
.auth-page .mobile-nav-toggle,
.auth-page .mobile-nav-container,
.auth-page .signin-btn {
    display: none;
}

/* --- Mobile Nav --- */
.mobile-nav-toggle, .mobile-nav-container {
    display: none;
}

/* --- Main Content --- */
main {
    flex-grow: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding-top: 80px; /* Account for fixed header */
    background-color: var(--color-bg-dark-1); /* Dark background from dashboard */
}

.auth-container {
    width: 100%;
    max-width: 380px;
    padding: 2rem;
    background-color: var(--color-bg-dark-2);
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3), 0 12px 35px rgba(255, 215, 0, 0.1);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal), opacity var(--transition-normal);
    margin: 1.5rem 1rem;
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(255, 215, 0, 0.1);
    opacity: 0;
    animation: fadeIn 0.5s ease-out forwards;
}

@keyframes fadeIn {
    0% {
        opacity: 0;
        transform: translateY(10px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

.auth-container:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4), 0 25px 50px rgba(255, 215, 0, 0.15);
    border-color: rgba(255, 215, 0, 0.2);
}

.auth-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--color-primary-light), var(--color-primary), var(--color-primary-light));
}

.auth-logo {
    margin-bottom: 0.9rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.auth-logo img {
    width: 50px;
    margin-bottom: 0.4rem;
    filter: drop-shadow(0 3px 6px rgba(255, 215, 0, 0.2)); /* Changed from blue to yellow shadow */
}

.auth-logo .auth-logo-text {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--color-primary);
    letter-spacing: -0.5px;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

.auth-form h2 {
    font-size: 1.9rem;
    color: var(--color-text);
    margin-bottom: 0.4rem;
    letter-spacing: -0.5px;
    font-weight: 800;
    background: linear-gradient(to right, var(--color-primary-dark), var(--color-primary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-fill-color: transparent;
    display: inline-block;
}

.auth-form p {
    color: var(--color-text-light);
    margin-bottom: 1.1rem;
    font-size: 0.95rem;
    max-width: 90%;
    margin-left: auto;
    margin-right: auto;
}

.form-group {
    margin-bottom: 0.8rem;
    text-align: left;
    position: relative;
}

.form-group label {
    display: block;
    margin-bottom: 0.3rem;
    font-weight: 600;
    color: var(--color-primary);
    font-size: 0.85rem;
    text-shadow: 0 1px 1px rgba(0, 0, 0, 0.2);
}

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

.form-control {
    width: 100%;
    padding: 0.65rem 0.9rem;
    background-color: var(--color-white);
    border: 1px solid var(--color-medium-gray);
    border-radius: var(--radius-md);
    color: var(--color-text);
    font-size: 0.95rem;
    box-sizing: border-box;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-sm);
    border-bottom: 2px solid var(--color-medium-gray);
}

.form-control:hover {
    border-color: var(--color-dark-gray);
    border-bottom-color: var(--color-primary-light);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.form-control:focus {
    outline: none;
    border-color: var(--color-primary);
    border-bottom-color: var(--color-primary);
    box-shadow: var(--shadow-focus);
    transform: translateY(-1px);
}

.form-control.error {
    border-color: var(--color-error);
    border-bottom-color: var(--color-error);
    background-color: var(--color-error-light);
    background-color: rgba(239, 68, 68, 0.05);
}

.form-control.error:focus {
    box-shadow: var(--shadow-focus-error);
}

.form-control.valid {
    border-color: var(--color-accent);
    border-bottom-color: var(--color-accent);
}

.form-control.valid:focus {
    box-shadow: var(--shadow-focus-success);
}

.form-control::placeholder {
    color: var(--color-medium-gray);
    opacity: 0.9;
}

@media (prefers-color-scheme: dark) {
    .form-control::placeholder {
        color: #9CA3AF; /* Lighter gray for dark mode */
        opacity: 1;
    }
}

.input-icon {
    position: absolute;
    right: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-medium-gray);
}

.success-icon {
    color: var(--color-accent);
    display: none;
}

.success-icon svg {
    fill: currentColor;
    width: 18px;
    height: 18px;
}

.form-control.valid + .success-icon {
    display: flex;
}

.password-toggle {
    position: absolute;
    right: 1rem;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--color-medium-gray);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 6px;
    transition: all var(--transition-fast);
    border-radius: 50%;
    z-index: 2;
}

.password-toggle:hover {
    color: var(--color-dark-gray);
    background-color: var(--color-light-gray);
    transform: scale(1.1);
}

.password-toggle:focus {
    outline: none;
    box-shadow: var(--shadow-focus);
    color: var(--color-primary);
}

.password-toggle:active {
    transform: scale(0.95);
}

.password-toggle svg {
    width: 20px;
    height: 20px;
    fill: currentColor;
    transition: transform 0.3s ease, opacity 0.3s ease;
}

.eye-icon, .eye-off-icon {
    position: absolute;
    opacity: 0;
    transform: scale(0.8);
}

.eye-icon {
    opacity: 1;
    transform: scale(1);
}

.password-toggle.show .eye-icon {
    opacity: 0;
    transform: scale(0.8) rotate(90deg);
}

.password-toggle.show .eye-off-icon {
    opacity: 1;
    transform: scale(1) rotate(0);
}

.form-error {
    color: var(--color-error);
    font-size: 0.85rem;
    margin-top: 0.5rem;
    min-height: 1.25rem;
    display: block;
    opacity: 0;
    transform: translateY(-5px);
    transition: opacity 0.3s ease, transform 0.3s ease;
    font-weight: 600;
    text-shadow: 0 0 1px rgba(0, 0, 0, 0.2);
}

.form-error:not(:empty) {
    opacity: 1;
    transform: translateY(0);
}

/* Form alert banner */
.form-alert {
    padding: 0.75rem 1rem;
    border-radius: var(--radius-md);
    margin-bottom: 1.1rem;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    opacity: 0;
    transform: translateY(-10px);
    transition: opacity 0.3s ease, transform 0.3s ease;
    animation: slideIn 0.3s ease forwards;
}

.form-alert.error {
    background-color: var(--color-error);
    color: #FFFFFF;
    border-left: 4px solid var(--color-error);
    font-weight: 500;
}

.form-alert.warning {
    background-color: var(--color-error);
    color: #FFFFFF;
    border-left: 4px solid var(--color-error);
}

.form-alert.info {
    background-color: var(--color-accent);
    color: #FFFFFF;
    border-left: 4px solid var(--color-accent-light);
}

.form-alert-close {
    background: none;
    border: none;
    cursor: pointer;
    color: currentColor;
    opacity: 0.7;
    transition: opacity 0.2s ease;
}

.form-alert-close:hover {
    opacity: 1;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Form overlay for loading state */
.form-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7); /* Changed to a semi-transparent black for better visibility */
    backdrop-filter: blur(2px);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: var(--z-index-overlay);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
    border-radius: var(--radius-lg);
}

.form-overlay.active {
    opacity: 1;
    visibility: visible;
}

.form-overlay .spinner {
    width: 40px;
    height: 40px;
    border-width: 3px;
    margin-bottom: 0.7rem;
}

.form-overlay-message {
    font-size: 1rem;
    font-weight: 500;
    color: #FFFFFF; /* Fixed white color for better visibility on dark overlay */
    margin-top: 1rem;
}

/* Password strength meter */
.password-strength {
    margin-top: 0.5rem;
    height: 4px;
    background-color: var(--color-light-gray);
    border-radius: 2px;
    overflow: hidden;
    position: relative;
}

.password-strength-bar {
    height: 100%;
    width: 0;
    transition: width 0.3s ease, background-color 0.3s ease;
}

.password-strength-bar.weak {
    background-color: var(--color-error);
    width: 33.33%;
}

.password-strength-bar.medium {
    background-color: var(--color-warning);
    width: 66.66%;
}

.password-strength-bar.strong {
    background-color: var(--color-accent);
    width: 100%;
}

.password-strength-text {
    font-size: 0.75rem;
    margin-top: 0.25rem;
    text-align: right;
    color: var(--color-text-light);
    transition: color 0.3s ease;
}

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

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

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

/* Checkbox styling */
.checkbox-group {
    margin-top: 0.5rem;
    margin-bottom: 1.1rem;
}

.checkbox-container {
    display: flex;
    align-items: center;
    position: relative;
    padding-left: 28px;
    cursor: pointer;
    font-size: 0.9rem;
    user-select: none;
    color: #FFFFFF; /* Fixed white color for better visibility on dark background */
}

.checkbox-container input {
    position: absolute;
    opacity: 0;
    cursor: pointer;
    height: 0;
    width: 0;
}

.checkmark {
    position: absolute;
    top: 0;
    left: 0;
    height: 18px;
    width: 18px;
    background-color: var(--color-white);
    border: 1px solid var(--color-medium-gray);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.checkbox-container:hover input ~ .checkmark {
    border-color: var(--color-dark-gray);
}

.checkbox-container input:checked ~ .checkmark {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
}

.checkmark:after {
    content: "";
    position: absolute;
    display: none;
}

.checkbox-container input:checked ~ .checkmark:after {
    display: block;
}

.checkbox-container .checkmark:after {
    left: 6px;
    top: 2px;
    width: 4px;
    height: 9px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.checkbox-container input:focus ~ .checkmark {
    box-shadow: 0 0 0 3px rgba(255, 215, 0, 0.25); /* Changed from blue to yellow shadow */
}

.checkbox-label {
    margin-left: 4px;
}

.btn-submit {
    width: 100%;
    padding: 0.8rem;
    background-color: var(--color-primary);
    background-image: linear-gradient(to right, var(--color-primary), var(--color-primary-dark));
    color: var(--color-white);
    border: none;
    border-radius: var(--radius-md);
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    box-shadow: var(--shadow-md);
    position: relative;
    overflow: hidden;
    letter-spacing: 0.5px;
    margin-top: 0.3rem;
}

.btn-submit:hover:not(:disabled) {
    background-image: linear-gradient(to right, var(--color-primary-dark), var(--color-primary-dark));
    transform: translateY(-2px) scale(1.01);
    box-shadow: var(--shadow-lg);
}

.btn-submit:focus {
    outline: none;
    box-shadow: var(--shadow-focus), var(--shadow-md);
}

.btn-submit:active {
    transform: translateY(1px) scale(0.98);
    box-shadow: var(--shadow-sm);
    background-image: linear-gradient(to right, var(--color-primary-dark), var(--color-primary-dark));
}

.btn-submit::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 5px;
    height: 5px;
    background: rgba(var(--color-white-rgb), 0.5);
    opacity: 0;
    border-radius: 100%;
    transform: scale(1, 1) translate(-50%);
    transform-origin: 50% 50%;
}

.btn-submit:focus:not(:active)::after {
    animation: ripple 1s ease-out;
}

@keyframes ripple {
    0% {
        transform: scale(0, 0);
        opacity: 0.5;
    }
    20% {
        transform: scale(25, 25);
        opacity: 0.3;
    }
    100% {
        opacity: 0;
        transform: scale(40, 40);
    }
}

.btn-submit:disabled {
    background-color: var(--color-medium-gray);
    background-image: none;
    transform: none;
    cursor: not-allowed;
    box-shadow: none;
    opacity: 0.7;
}

.btn-submit.loading {
    pointer-events: none;
    position: relative;
    color: transparent;
}

.btn-submit.loading .spinner {
    display: inline-block;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.spinner {
    width: 20px;
    height: 20px;
    border: 2px solid rgba(var(--color-white-rgb), 0.3);
    border-top-color: var(--color-white);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Social login divider */
.auth-divider {
    position: relative;
    text-align: center;
    margin: 1.5rem 0;
    height: 1px;
    background-color: var(--color-light-gray);
}

.auth-divider span {
    position: relative;
    top: -0.7rem;
    background-color: var(--color-white);
    padding: 0 0.8rem;
    color: var(--color-primary);
    font-size: 0.8rem;
    font-weight: 600;
}

/* Social login buttons */
.social-login {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.6rem;
    margin-bottom: 0.9rem;
    width: 100%;
}

.btn-social {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    padding: 0.65rem 0.9rem;
    width: 100%;
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.3s ease;
    border: 1px solid var(--color-light-gray);
    box-shadow: var(--shadow-sm);
    background-color: var(--color-white);
    position: relative;
    overflow: hidden;
}

.btn-social:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.05);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.btn-social:hover:before {
    opacity: 1;
}

.btn-google {
    color: var(--color-text);
}

.btn-google:hover {
    border-color: #dadce0;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-apple {
    background-color: #000000;
    color: #ffffff;
    border-color: #000000;
}

.btn-apple:hover {
    background-color: #1a1a1a;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-social:focus {
    outline: none;
    box-shadow: var(--shadow-focus);
}

.btn-social:active {
    transform: translateY(1px) scale(0.98);
    box-shadow: var(--shadow-sm);
}

.btn-social.loading {
    pointer-events: none;
    color: transparent;
}

.btn-social.loading .social-icon {
    opacity: 0;
}

.btn-social.loading:after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: var(--color-primary);
    animation: spin 0.8s linear infinite;
    left: calc(50% - 10px);
    top: calc(50% - 10px);
}

.btn-apple.loading:after {
    border: 2px solid rgba(0, 0, 0, 0.1);
    border-top-color: white;
}

@media (prefers-color-scheme: dark) {
    .btn-apple.loading:after {
        border: 2px solid rgba(255, 255, 255, 0.1);
        border-top-color: white;
    }

    /* Improve error message visibility in dark mode */
    .form-error {
        color: #FF6B6B;
        font-weight: 700;
        text-shadow: 0 0 2px rgba(0, 0, 0, 0.5);
        background-color: rgba(255, 107, 107, 0.1);
        padding: 0.3rem 0.5rem;
        border-radius: var(--radius-sm);
        border-left: 2px solid #FF6B6B;
    }
}

/* Password requirements text */
.text-sm.text-gray-500 {
    color: var(--color-primary);
    font-weight: 500;
    font-size: 0.85rem;
    margin-top: 0.5rem;
    margin-bottom: 0.5rem;
    line-height: 1.4;
}

/* Staggered animation for form elements */
.auth-form > * {
    opacity: 0;
    transform: translateY(10px);
    animation: fadeInUp 0.5s ease-out forwards;
}

.auth-form > *:nth-child(1) { animation-delay: 0.1s; }
.auth-form > *:nth-child(2) { animation-delay: 0.2s; }
.auth-form > *:nth-child(3) { animation-delay: 0.3s; }
.auth-form > *:nth-child(4) { animation-delay: 0.4s; }
.auth-form > *:nth-child(5) { animation-delay: 0.5s; }

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

/* Ensure buttons look good on mobile */
@media (max-width: 480px) {
    .btn-social {
        padding: 0.75rem 1rem;
    }
}

.social-icon {
    width: 20px;
    height: 20px;
}

.auth-links {
    margin-top: 1.1rem;
    font-size: 0.85rem;
    color: #FFFFFF; /* Fixed white color for better visibility on dark background */
    padding: 0.8rem 0 0;
    border-top: 1px solid var(--color-light-gray);
    line-height: 1.5;
}

.auth-links a {
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 500;
    position: relative;
    transition: color var(--transition-fast);
}

.auth-links a:hover {
    color: var(--color-primary-dark);
}

.auth-links a:focus {
    outline: none;
    box-shadow: 0 0 0 2px var(--color-primary-light);
    border-radius: 2px;
}

/* --- Footer --- */
.main-footer {
    background-color: var(--color-bg-dark-1);
    padding: 2rem 0;
    text-align: center;
    flex-shrink: 0;
    border-top: 1px solid #333;
}

.footer-content {
    width: 90%;
    max-width: 1100px;
    margin: 0 auto;
    font-size: 0.85rem;
    color: var(--color-text-light);
}

.footer-links {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
}

.footer-links a {
    color: #FFFFFF; /* Fixed white color for better visibility on dark background */
    text-decoration: none; 
    margin: 0 15px; 
    transition: color var(--transition-fast);
    font-weight: 500;
}

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

.footer-links a:focus {
    outline: none;
    box-shadow: 0 0 0 2px var(--color-primary-light);
    border-radius: 2px;
}

/* --- Responsive --- */
@media (max-width: 768px) {
    .main-header { 
        min-height: 60px; 
    }

    .main-nav { 
        display: none; 
    }

    .signin-btn { 
        display: none; /* Hide standalone signin on mobile in header */
    }

    .mobile-nav-toggle { 
        display: block; 
    }

    .auth-container {
        padding: 1.75rem 1.25rem;
        margin: 0.75rem;
        box-shadow: var(--shadow-lg);
    }

    /* Mobile Nav Container - a fullscreen overlay */
    .mobile-nav-container {
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100vh;
        background-color: rgba(var(--color-bg-dark-1), 0.98);
        backdrop-filter: blur(5px);
        transform: translateX(100%);
        transition: transform 0.4s cubic-bezier(0.23, 1, 0.32, 1);
        z-index: 999;
        gap: 1.5rem;
    }

    .mobile-nav-container.active {
        transform: translateX(0);
    }

    .mobile-nav-container a {
        color: #FFFFFF; /* Fixed white color for better visibility on dark background */
        font-size: 1.5rem;
        font-weight: 500;
        text-decoration: none;
        opacity: 0;
        transform: translateY(20px);
        transition: opacity 0.3s ease, transform 0.3s ease;
    }

    .mobile-nav-container.active a {
        opacity: 1;
        transform: translateY(0);
    }

    .mobile-nav-container.active a:nth-child(1) { transition-delay: 0.2s; }
    .mobile-nav-container.active a:nth-child(2) { transition-delay: 0.25s; }
    .mobile-nav-container.active a:nth-child(3) { transition-delay: 0.3s; }
    .mobile-nav-container.active a:nth-child(4) { transition-delay: 0.35s; }

    .mobile-nav-container a.signin-btn {
        font-size: 1.1rem;
        padding: 10px 25px;
        margin-top: 1rem;
        background-color: var(--color-primary);
        color: var(--color-white);
    }

    .mobile-nav-toggle {
        background: none;
        border: none;
        cursor: pointer;
        padding: 15px;
        z-index: 1001;
        position: relative;
        width: 40px;
        height: 40px;
    }

    .hamburger-box { 
        position: relative; 
        width: 25px; 
        height: 2px; 
    }

    .hamburger-inner, .hamburger-inner::before, .hamburger-inner::after {
        position: absolute;
        width: 25px;
        height: 2px;
        background-color: var(--color-white);
        transition: transform 0.2s ease-out;
    }

    .hamburger-inner { 
        display: block; 
        top: 50%; 
        transform: translateY(-50%); 
    }

    .hamburger-inner::before, .hamburger-inner::after { 
        content: ''; 
        display: block; 
    }

    .hamburger-inner::before { 
        transform: translateY(-8px); 
    }

    .hamburger-inner::after { 
        transform: translateY(8px); 
    }

    .mobile-nav-toggle[aria-expanded="true"] .hamburger-inner { 
        transform: rotate(45deg); 
    }

    .mobile-nav-toggle[aria-expanded="true"] .hamburger-inner::before { 
        transform: rotate(0) translateY(0); 
        opacity: 0; 
    }

    .mobile-nav-toggle[aria-expanded="true"] .hamburger-inner::after { 
        transform: rotate(-90deg) translateX(8px); 
    }
}

@media (max-width: 480px) {
    .auth-container {
        padding: 1.25rem;
        margin: 0.4rem;
    }

    .auth-form h2 {
        font-size: 1.4rem;
    }

    .auth-form p {
        font-size: 0.85rem;
    }
}