/* =========================================================
   AUTH / LOGIN PAGE
   Uses centralized variables from token.css
========================================================= */

* {
    box-sizing: border-box;
}

html,
body {
    min-height: 100%;
}

body {
    margin: 0;
    font-family: var(--font-family-base);
    background:
        radial-gradient(circle at top left, rgba(var(--color-brand-primary-rgb), 0.13), transparent 34%),
        radial-gradient(circle at bottom right, rgba(var(--color-brand-accent-rgb), 0.12), transparent 30%),
        var(--color-surface-soft);
    color: var(--color-text-primary);
}

a {
    text-decoration: none;
}

button,
input {
    font: inherit;
}

/* =========================================================
   AUTH SHELL
========================================================= */

.auth-shell {
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: var(--auth-page-padding);
}

.auth-card {
    width: min(var(--layout-auth-max-width), 100%);
    min-height: 680px;
    background: var(--color-surface);
    border: 1px solid var(--color-line);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-auth);
    display: grid;
    grid-template-columns: 0.95fr 1.05fr;
    overflow: hidden;
}

/* =========================================================
   FORM PANEL
========================================================= */

.auth-form-panel {
    padding: var(--auth-padding-y) var(--auth-padding-x);
    display: flex;
    flex-direction: column;
}

.auth-brand {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.brand-mark {
    width: 46px;
    height: 46px;
    border-radius: var(--radius-lg);
    display: grid;
    place-items: center;
    color: var(--color-text-inverse);
    background: linear-gradient(
        135deg,
        var(--color-brand-primary),
        var(--color-brand-accent)
    );
    box-shadow: 0 14px 30px rgba(var(--color-brand-primary-rgb), 0.35);
    flex: 0 0 auto;
}

.brand-mark i {
    font-size: 1.25rem;
}

.brand-text h1 {
    margin: 0;
    font-size: var(--font-size-lg);
    font-weight: 850;
    color: var(--color-text-primary);
    line-height: var(--line-height-tight);
}

.brand-text p {
    margin: var(--space-2xs) 0 0;
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

.auth-heading {
    margin-top: auto;
    padding-top: var(--space-4xl);
}

.auth-badge {
    width: fit-content;
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    background: var(--color-brand-soft);
    color: var(--color-brand-primary);
    border-radius: var(--radius-pill);
    padding: var(--space-xs) var(--space-sm);
    font-size: var(--font-size-xs);
    font-weight: 800;
    margin-bottom: var(--space-lg);
}

.auth-heading h2 {
    margin: 0;
    font-size: clamp(2rem, 4vw, 2.7rem);
    font-weight: 900;
    letter-spacing: -0.04em;
    color: var(--color-text-primary);
}

.auth-heading p {
    margin: var(--space-sm) 0 0;
    color: var(--color-text-muted);
    font-size: var(--font-size-base);
    line-height: var(--line-height-relaxed);
    max-width: 460px;
}

.auth-form {
    margin-top: var(--space-2xl);
}

/* =========================================================
   FORM CONTROLS
========================================================= */

.form-group {
    margin-bottom: var(--space-lg);
}

.form-label {
    display: block;
    margin-bottom: var(--space-xs);
    font-size: var(--font-size-sm);
    font-weight: 800;
    color: var(--color-text-primary);
}

.label-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-sm);
}

.forgot-link {
    font-size: var(--font-size-sm);
    font-weight: 750;
    color: var(--color-brand-primary);
}

.forgot-link:hover {
    color: var(--color-brand-accent);
}

.input-group-custom {
    position: relative;
    min-height: var(--input-height);
    display: flex;
    align-items: center;
}

.input-icon {
    position: absolute;
    left: var(--space-md);
    color: var(--color-text-muted);
    z-index: 2;
    pointer-events: none;
}

.form-control-custom {
    width: 100%;
    min-height: var(--input-height);
    border: 1px solid var(--color-line);
    border-radius: var(--radius-md);
    background: var(--color-surface-soft);
    color: var(--color-text-primary);
    outline: none;
    padding: 0 48px 0 46px;
    font-size: var(--font-size-md);
    transition: var(--transition-fast);
}

.form-control-custom::placeholder {
    color: var(--color-text-muted);
}

.form-control-custom:focus {
    border-color: var(--color-brand-accent);
    background: var(--color-surface);
    box-shadow: var(--focus-ring-brand);
}

.form-control-custom.is-invalid {
    border-color: var(--color-danger);
    background: rgba(239, 68, 68, 0.06);
}

.form-control-custom.is-invalid:focus {
    box-shadow: 0 0 0 0.2rem rgba(239, 68, 68, 0.14);
}

.password-toggle {
    position: absolute;
    right: var(--space-sm);
    width: 34px;
    height: 34px;
    border: 0;
    border-radius: var(--radius-sm);
    display: grid;
    place-items: center;
    color: var(--color-text-muted);
    background: transparent;
    z-index: 3;
    transition: var(--transition-fast);
}

.password-toggle:hover {
    color: var(--color-brand-primary);
    background: var(--color-brand-soft);
}

.form-error {
    min-height: 18px;
    display: block;
    margin-top: var(--space-xs);
    color: var(--color-danger);
    font-size: var(--font-size-xs);
    font-weight: 650;
}

/* =========================================================
   AUTH OPTIONS
========================================================= */

.auth-options {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-sm);
    margin: var(--space-2xs) 0 var(--space-xl);
}

.remember-control {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
    cursor: pointer;
    user-select: none;
}

.remember-control input {
    width: 16px;
    height: 16px;
    accent-color: var(--color-brand-primary);
}

/* =========================================================
   BUTTON
========================================================= */

.btn-login {
    width: 100%;
    min-height: var(--button-height);
    border: 0;
    border-radius: var(--radius-md);
    color: var(--color-text-inverse);
    background: linear-gradient(
        135deg,
        var(--color-brand-primary),
        var(--color-brand-accent)
    );
    font-size: var(--font-size-base);
    font-weight: 850;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-xs);
    box-shadow: 0 16px 34px rgba(var(--color-brand-primary-rgb), 0.28);
    transition: var(--transition-fast);
}

.btn-login:hover {
    transform: translateY(-1px);
    box-shadow: 0 20px 38px rgba(var(--color-brand-primary-rgb), 0.34);
}

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

.btn-login:disabled {
    cursor: not-allowed;
    opacity: 0.85;
    transform: none;
}

/* =========================================================
   FOOTER
========================================================= */

.auth-footer {
    margin-top: auto;
    padding-top: var(--space-2xl);
    text-align: center;
}

.auth-footer p {
    margin: 0;
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
}

.auth-footer a {
    color: var(--color-brand-primary);
    font-weight: 800;
}

/* =========================================================
   COVER PANEL
========================================================= */

.auth-cover-panel {
    position: relative;
    min-height: 100%;
    background:
        linear-gradient(
            135deg,
            rgba(15, 23, 42, 0.2),
            rgba(15, 23, 42, 0.84)
        ),
        url("https://images.unsplash.com/photo-1551434678-e076c223a692?q=80&w=1400&auto=format&fit=crop")
        center / cover no-repeat;
    padding: var(--space-3xl);
    display: flex;
    align-items: flex-end;
    overflow: hidden;
}

.auth-cover-panel::before {
    content: "";
    position: absolute;
    inset: var(--space-xl);
    border: 1px solid rgba(255, 255, 255, 0.16);
    border-radius: var(--radius-2xl);
    pointer-events: none;
}

.cover-overlay {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 70% 20%, rgba(var(--color-brand-accent-rgb), 0.34), transparent 30%),
        linear-gradient(180deg, transparent, rgba(15, 23, 42, 0.32));
}

.cover-content {
    position: relative;
    z-index: 2;
    color: var(--color-text-inverse);
    max-width: 560px;
}

.cover-pill {
    width: fit-content;
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    padding: 9px 13px;
    border-radius: var(--radius-pill);
    background: rgba(255, 255, 255, 0.14);
    border: 1px solid rgba(255, 255, 255, 0.18);
    backdrop-filter: var(--backdrop-blur);
    font-size: var(--font-size-xs);
    font-weight: 850;
    margin-bottom: var(--space-lg);
}

.cover-content h2 {
    margin: 0;
    font-size: clamp(2rem, 4vw, 3.15rem);
    line-height: 1.02;
    letter-spacing: -0.05em;
    font-weight: 950;
}

.cover-content p {
    margin: var(--space-md) 0 0;
    max-width: 500px;
    color: var(--color-text-inverse-soft);
    font-size: var(--font-size-base);
    line-height: var(--line-height-relaxed);
}

.cover-stats {
    margin-top: var(--space-2xl);
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-sm);
}

.cover-stat-card {
    padding: var(--space-md);
    border-radius: var(--radius-lg);
    background: rgba(255, 255, 255, 0.13);
    border: 1px solid rgba(255, 255, 255, 0.16);
    backdrop-filter: var(--backdrop-blur);
}

.cover-stat-card strong {
    display: block;
    font-size: 1.25rem;
    line-height: 1;
    font-weight: 950;
}

.cover-stat-card span {
    display: block;
    margin-top: var(--space-xs);
    color: rgba(255, 255, 255, 0.74);
    font-size: var(--font-size-xs);
    line-height: var(--line-height-base);
}

/* =========================================================
   RESPONSIVE
========================================================= */

@media (max-width: 991.98px) {
    .auth-card {
        grid-template-columns: 1fr;
        min-height: auto;
    }

    .auth-cover-panel {
        min-height: 360px;
        order: -1;
        align-items: flex-end;
    }

    .auth-form-panel {
        padding: var(--space-2xl);
    }

    .auth-heading {
        margin-top: var(--space-2xl);
        padding-top: 0;
    }
}

@media (max-width: 767.98px) {
    .auth-shell {
        align-items: stretch;
    }

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

    .auth-form-panel {
        padding: var(--space-2xl) var(--space-lg);
    }

    .auth-cover-panel {
        display: none;
    }

    .auth-heading {
        margin-top: var(--space-3xl);
    }

    .auth-heading h2 {
        font-size: 2rem;
    }

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

    .auth-form {
        margin-top: var(--space-2xl);
    }
}

@media (max-width: 575.98px) {
    .auth-shell {
        padding: 0;
        background: var(--color-surface);
    }

    .auth-card {
        min-height: 100vh;
        border-radius: 0;
        border: 0;
        box-shadow: none;
    }

    .auth-form-panel {
        padding: var(--space-xl) var(--space-md);
    }

    .brand-mark {
        width: 42px;
        height: 42px;
        border-radius: var(--radius-lg);
    }

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

    .auth-heading {
        margin-top: var(--space-3xl);
    }
}