/* =========================================================
   OBS DESIGN SYSTEM
   Authentication Component
   Login / Register / Send Password
   ========================================================= */

/* =========================================================
   PAGE
   ========================================================= */

.obs-auth-page {
    min-height: 100vh;

    display: grid;
    place-items: center;

    padding:
        var(--obs-space-8)
        var(--obs-space-4);

    background: var(--obs-page-background);

    overflow-x: hidden;
}

.obs-auth-page::before {
    content: "";

    position: fixed;
    inset: 0;

    background-image:
        url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='180' height='180' filter='url(%23n)' opacity='.10'/%3E%3C/svg%3E");

    opacity: 0.25;
    mix-blend-mode: overlay;

    pointer-events: none;
}

.obs-auth-page::after {
    content: "";

    position: fixed;
    inset: -120px;

    background: var(--obs-page-glow);

    filter: blur(var(--obs-blur-md));
    opacity: 0.75;

    animation:
        obs-auth-glow
        10s
        ease-in-out
        infinite
        alternate;

    pointer-events: none;
}

/* =========================================================
   CONTAINER
   ========================================================= */

.obs-auth {
    position: relative;

    width: min(460px, 100%);

    z-index: var(--obs-z-base);
}

.obs-auth-sm {
    width: min(420px, 100%);
}

.obs-auth-lg {
    width: min(560px, 100%);
}

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

.obs-auth-panel {
    position: relative;

    padding:
        var(--obs-space-6)
        var(--obs-space-6)
        var(--obs-space-5);

    background: var(--obs-glass-surface);

    border:
        var(--obs-border-width-thin)
        solid
        var(--obs-border-primary);

    border-radius: var(--obs-radius-xl);

    box-shadow: var(--obs-shadow-lg);

    backdrop-filter: blur(var(--obs-blur-md));
    -webkit-backdrop-filter: blur(var(--obs-blur-md));

    overflow: hidden;
}

.obs-auth-panel::before {
    content: "";

    position: absolute;
    inset: -2px;

    background: var(--obs-panel-glow);

    filter: blur(var(--obs-blur-md));
    opacity: 0.9;

    pointer-events: none;
}

/* =========================================================
   HEADER
   ========================================================= */

.obs-auth-header {
    position: relative;

    display: flex;
    flex-direction: column;
    align-items: center;

    gap: var(--obs-space-3);

    padding:
        var(--obs-space-2)
        0
        var(--obs-space-4);

    text-align: center;

    z-index: var(--obs-z-base);
}

.obs-auth-logo {
    width: min(220px, 100%);
    height: auto;

    filter: drop-shadow(var(--obs-shadow-md));
}

.obs-auth-title {
    margin-top: var(--obs-space-1);

    color: var(--obs-text-primary);

    font-size: var(--obs-font-size-xl);
    font-weight: var(--obs-font-weight-bold);
    line-height: var(--obs-line-height-tight);

    letter-spacing: 0.2px;
}

.obs-auth-hint {
    color: var(--obs-text-muted);

    font-size: var(--obs-font-size-sm);
    line-height: var(--obs-line-height-normal);
}

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

.obs-auth-form {
    position: relative;

    z-index: var(--obs-z-base);
}

.obs-auth-form .obs-field {
    margin-block: var(--obs-space-3);
}

/* =========================================================
   SUBMIT
   ========================================================= */

.obs-auth-submit {
    width: 100%;

    margin-top: var(--obs-space-3);

    background: var(--obs-brand-gradient);

    box-shadow:
        var(--obs-shadow-md),
        var(--obs-shadow-inset-strong);
}

.obs-auth-submit:hover {
    box-shadow:
        var(--obs-shadow-lg),
        var(--obs-shadow-inset-strong);
}

/* =========================================================
   MESSAGE
   ========================================================= */

.obs-auth-message {
    position: relative;

    margin-top: var(--obs-space-3);

    padding:
        var(--obs-space-3)
        var(--obs-space-4);

    border:
        var(--obs-border-width-thin)
        solid
        transparent;

    border-radius: var(--obs-radius-md);

    font-size: var(--obs-font-size-sm);
    line-height: var(--obs-line-height-normal);

    z-index: var(--obs-z-base);
}

.obs-auth-message.is-error {
    color: var(--obs-text-primary);
    background: var(--obs-danger-surface);
    border-color: var(--obs-danger-border);
}

.obs-auth-message.is-success {
    color: var(--obs-text-primary);
    background: var(--obs-success-surface);
    border-color: var(--obs-success-border);
}

.obs-auth-message[hidden] {
    display: none;
}

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

.obs-auth-footer {
    position: relative;

    margin-top: var(--obs-space-4);

    color: var(--obs-text-muted);

    font-size: var(--obs-font-size-sm);
    text-align: center;

    z-index: var(--obs-z-base);
}

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

.obs-auth-footer a:hover {
    color: var(--obs-primary-hover);
    text-decoration: underline;
}

/* =========================================================
   ANIMATION
   ========================================================= */

@keyframes obs-auth-glow {
    from {
        transform:
            translate3d(0, 0, 0)
            scale(1);
    }

    to {
        transform:
            translate3d(18px, -10px, 0)
            scale(1.03);
    }
}

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

@media (max-width: 480px) {

    .obs-auth-panel {
        padding:
            var(--obs-space-5)
            var(--obs-space-4)
            var(--obs-space-4);
    }
}

/* =========================================================
   REDUCED MOTION
   ========================================================= */

@media (prefers-reduced-motion: reduce) {

    .obs-auth-page::after {
        animation: none;
    }
}