/**
 * Login Page Styles
 * Stripe-inspired captive login page with gradient background
 * Uses marketing design tokens for consistency
 */

/* ===== Import Marketing Tokens ===== */
@import url('../marketing/marketing-tokens.css');

/* ===== Layout ===== */

body {
    margin: 0;
    padding: 0;
    min-height: 100vh;
    font-family: var(--mkt-font-sans);
    background: var(--mkt-gradient-hero);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow-x: hidden;
}

/* Animated gradient overlay */
body::before {
    content: '';
    position: fixed;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(
        circle at 30% 40%,
        rgba(169, 96, 238, 0.4) 0%,
        transparent 50%
    ),
    radial-gradient(
        circle at 70% 60%,
        rgba(255, 107, 157, 0.4) 0%,
        transparent 50%
    );
    animation: gradient-shift 15s ease-in-out infinite;
    pointer-events: none;
    z-index: 0;
}

@keyframes gradient-shift {
    0%, 100% {
        transform: translate(0, 0) rotate(0deg);
    }
    33% {
        transform: translate(5%, -5%) rotate(3deg);
    }
    66% {
        transform: translate(-5%, 5%) rotate(-3deg);
    }
}

.auth-container {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 480px;
    padding: 2rem 1.5rem;
}

/* ===== Logo ===== */

.auth-logo {
    text-align: left;
    margin-bottom: 3rem;
    padding-left: 0.5rem;
}

.logo-link {
    display: inline-block;
    text-decoration: none;
    transition: opacity var(--mkt-timing-fast);
}

.logo-link:hover {
    opacity: 0.9;
}

.auth-logo-img {
    height: 2em;
    width: auto;
}

/* ===== Auth Card ===== */

.auth-card {
    background: var(--mkt-text-white);
    border-radius: var(--mkt-radius-large);
    padding: 3rem 2.5rem;
    box-shadow: var(--mkt-shadow-large);
    position: relative;
}

.auth-heading {
    font-size: var(--mkt-fs-h2);
    font-weight: var(--mkt-fw-semibold);
    color: var(--mkt-text-dark);
    margin-bottom: 2rem;
    line-height: var(--mkt-lh-tight);
}

/* ===== Form Elements ===== */

.auth-form {
    margin-bottom: 1.5rem;
}

/* Override Bootstrap floating label styles */
.form-floating {
    position: relative;
}

.form-floating > .form-control {
    height: 56px;
    padding: 1rem 0.75rem;
    font-size: var(--mkt-fs-body-small);
    color: var(--mkt-text-dark);
    background-color: var(--mkt-text-white);
    border: 1.5px solid var(--mkt-gray-medium);
    border-radius: var(--mkt-radius-small);
    transition: border-color var(--mkt-timing-fast), box-shadow var(--mkt-timing-fast);
}

.form-floating > .form-control:focus {
    outline: none;
    border-color: var(--mkt-primary);
    box-shadow: 0 0 0 3px rgba(99, 91, 255, 0.1);
}

.form-floating > .form-control::placeholder {
    color: transparent;
}

.form-floating > label {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    padding: 1rem 0.75rem;
    pointer-events: none;
    border: 1px solid transparent;
    transform-origin: 0 0;
    transition: opacity 0.1s ease-in-out, transform 0.1s ease-in-out;
    font-size: var(--mkt-fs-body-small);
    font-weight: var(--mkt-fw-normal);
    color: var(--mkt-gray-dark);
}

.form-floating > .form-control:focus ~ label,
.form-floating > .form-control:not(:placeholder-shown) ~ label {
    opacity: 0.65;
    transform: scale(0.85) translateY(-0.5rem) translateX(0.15rem);
    font-weight: var(--mkt-fw-medium);
}

/* ===== Links ===== */

.auth-link {
    font-size: var(--mkt-fs-caption);
    font-weight: var(--mkt-fw-medium);
    color: var(--mkt-primary);
    text-decoration: none;
    transition: color var(--mkt-timing-fast);
}

.auth-link:hover {
    color: var(--mkt-primary-hover);
    text-decoration: underline;
}

.auth-link-primary {
    font-size: var(--mkt-fs-body-small);
    font-weight: var(--mkt-fw-semibold);
    color: var(--mkt-primary);
    text-decoration: none;
    transition: color var(--mkt-timing-fast);
}

.auth-link-primary:hover {
    color: var(--mkt-primary-hover);
    text-decoration: underline;
}

/* ===== Buttons ===== */

.btn-auth-primary {
    width: 100%;
    height: var(--mkt-btn-height-large);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 2rem;
    margin-top: 1rem;
    font-size: var(--mkt-fs-body-small);
    font-weight: var(--mkt-fw-semibold);
    color: var(--mkt-text-white);
    background: var(--mkt-primary);
    border: none;
    border-radius: var(--mkt-radius-small);
    box-shadow: var(--mkt-shadow-button);
    cursor: pointer;
    text-decoration: none;
    transition: all var(--mkt-timing-normal) var(--mkt-easing-standard);
}

.btn-auth-primary:hover {
    background: var(--mkt-primary-hover);
    box-shadow: var(--mkt-shadow-button-hover);
    transform: translateY(-1px);
    text-decoration: none;
}

.btn-auth-primary:active {
    transform: translateY(0);
    box-shadow: var(--mkt-shadow-button);
}

.btn-auth-primary:focus-visible {
    outline: 2px solid var(--mkt-primary);
    outline-offset: 2px;
}

.btn-auth-google {
    width: 100%;
    height: var(--mkt-btn-height-large);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    padding: 0 2rem;
    font-size: var(--mkt-fs-body-small);
    font-weight: var(--mkt-fw-medium);
    color: var(--mkt-text-dark);
    background: var(--mkt-text-white);
    border: 1.5px solid var(--mkt-gray-medium);
    border-radius: var(--mkt-radius-small);
    cursor: pointer;
    text-decoration: none;
    transition: all var(--mkt-timing-normal) var(--mkt-easing-standard);
}

.btn-auth-google:hover {
    color: var(--mkt-text-dark);
}

.btn-auth-google:not(:disabled):hover {
    border-color: var(--mkt-gray-dark);
    box-shadow: var(--mkt-shadow-small);
    transform: translateY(-1px);
}

.btn-auth-google:not(:disabled):active {
    transform: translateY(0);
}

.btn-auth-google:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* ===== Divider ===== */

.auth-divider {
    position: relative;
    text-align: center;
    margin: 1.5rem 0;
}

.auth-divider::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--mkt-gray-medium);
    z-index: 0;
}

.auth-divider span {
    position: relative;
    display: inline-block;
    padding: 0 1rem;
    background: var(--mkt-text-white);
    font-size: var(--mkt-fs-caption);
    color: var(--mkt-gray-dark);
    z-index: 1;
}

/* ===== Footer ===== */

.auth-footer {
    text-align: center;
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--mkt-gray-medium);
}

.auth-footer-text {
    font-size: var(--mkt-fs-body-small);
    color: var(--mkt-text-medium);
    margin-right: 0.5rem;
}

/* ===== Alert Styles ===== */

.alert {
    padding: 1rem 1.25rem;
    margin-bottom: 1.5rem;
    border-radius: var(--mkt-radius-small);
    font-size: var(--mkt-fs-body-small);
    border: none;
}

.alert-danger {
    background-color: rgba(255, 59, 48, 0.1);
    color: #c41e3a;
}

/* ===== Responsive Design ===== */

@media (max-width: 576px) {
    .auth-container {
        padding: 1rem;
    }

    .auth-card {
        padding: 2rem 1.5rem;
    }

    .auth-heading {
        font-size: var(--mkt-fs-h3);
    }

    .auth-logo {
        margin-bottom: 2rem;
    }

    .form-floating > .form-control {
        height: 52px;
    }
}

/* ===== Accessibility ===== */

@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .form-control {
        border-width: 2px;
    }

    .btn-auth-primary,
    .btn-auth-google {
        border-width: 2px;
    }
}