/* Auth pages - dark room with a pull-cord lamp; the form is frosted glass.
   Loaded only by layouts/auth.php, after app.css, so it may override freely. */

.auth-lamp {
    --bg-off:      #121417;
    --bg-on:       #1c1f24;
    --lamp-shade:  #f5f0e6;
    --lamp-base:   #d1ccc2;
    --glow:        rgba(255, 214, 110, .3);
    --accent:      #d4a373;
    --on:          0;
    --ease:        .5s cubic-bezier(.4, 0, .2, 1);

    min-height: 100vh;
    background: var(--bg-off);
    color: #fff;
    transition: background var(--ease);
}

/* Warm pool of light, faded in when the lamp is switched on. */
.auth-lamp::before {
    content: "";
    position: fixed;
    inset: 0;
    background: radial-gradient(circle at 50% 40%, var(--glow), transparent 70%);
    opacity: var(--on);
    transition: opacity var(--ease);
    pointer-events: none;
}

.auth-stage {
    position: relative;
    z-index: 1;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 2.5rem 1rem;
}

.auth-shell {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6vmin;
    flex-wrap: wrap;
    width: 100%;
    max-width: 1000px;
}

.auth-shell.wide {
    max-width: 1180px;
}

/* --- lamp ------------------------------------------------------------ */

.lamp-wrapper {
    position: relative;
    flex: 0 0 auto;
    width: 260px;
    height: 380px;
    display: flex;
    justify-content: center;
}

.lamp-svg {
    width: 100%;
    height: 100%;
    overflow: visible;
}

.lamp-shade {
    fill: var(--lamp-shade);
    transition: fill var(--ease), filter var(--ease);
}

.auth-lamp[data-on="true"] .lamp-shade {
    fill: #fff;
    filter: drop-shadow(0 0 30px rgba(255, 255, 200, .4));
}

.lamp-base {
    fill: var(--lamp-base);
}

.inner-glow {
    fill: #ffdb8a;
    opacity: 0;
    filter: blur(15px);
    transition: opacity var(--ease);
}

.auth-lamp[data-on="true"] .inner-glow {
    opacity: .6;
}

.cord-line {
    stroke: #555;
    stroke-width: 2;
}

.cord-bead {
    fill: var(--accent);
}

.cord-hit {
    cursor: pointer;
}

.cord-hit:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

.lamp-hint {
    position: absolute;
    left: 50%;
    bottom: 0;
    transform: translateX(-50%);
    color: #6d7379;
    font-size: .78rem;
    letter-spacing: .04em;
    white-space: nowrap;
    transition: opacity var(--ease);
}

.auth-lamp[data-on="true"] .lamp-hint {
    opacity: 0;
}

/* --- glass panel ----------------------------------------------------- */

.auth-panel {
    flex: 1 1 340px;
    max-width: 400px;
    padding: 2.5rem;
    border-radius: 30px;
    background: rgba(255, 255, 255, .05);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, .1);
    box-shadow: 0 20px 40px rgba(0, 0, 0, .3);
    transition: opacity .7s cubic-bezier(.175, .885, .32, 1.275),
                transform .7s cubic-bezier(.175, .885, .32, 1.275);
}

.auth-shell.wide .auth-panel {
    flex-basis: 620px;
    max-width: 700px;
}

/* The lamp reveal is a JS enhancement: `is-hidden` is only ever set by
   auth-lamp.js, so with JS off the form renders normally. */
.auth-panel.is-hidden {
    opacity: 0;
    pointer-events: none;
    transform: translateY(30px);
}

.auth-brand {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: .55rem;
    text-decoration: none;
    color: #fff;
    margin-bottom: 1.25rem;
}

.auth-brand span {
    font-size: 1rem;
    font-weight: 500;
    letter-spacing: .02em;
}

.auth-title {
    color: #fff;
    text-align: center;
    font-size: 1.5rem;
    font-weight: 500;
    margin: 0 0 .3rem;
}

.auth-sub {
    color: #999;
    text-align: center;
    font-size: .82rem;
    margin: 0 0 1.5rem;
}

.auth-foot {
    color: #999;
    text-align: center;
    font-size: .84rem;
    margin: 1rem 0 0;
}

.auth-foot a,
.auth-sub a {
    color: var(--accent);
    text-decoration: none;
}

.auth-foot a:hover,
.auth-sub a:hover {
    text-decoration: underline;
}

.auth-copyright {
    color: #5b6167;
    text-align: center;
    font-size: .76rem;
    margin: 1.75rem 0 0;
}

/* --- fields ---------------------------------------------------------- */

.auth-label {
    display: block;
    color: #999;
    font-size: .85rem;
    margin: 0 0 .5rem 5px;
}

.auth-field {
    position: relative;
}

.auth-field > i {
    position: absolute;
    left: 18px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--accent);
    font-size: .95rem;
    line-height: 1;
    pointer-events: none;
}

.auth-panel .form-control,
.auth-panel .form-select {
    width: 100%;
    padding: 14px 18px;
    border: 1px solid transparent;
    border-radius: 15px;
    color: #fff;
    background-color: rgba(255, 255, 255, .07);
    font-size: 1rem;
    box-shadow: none;
    transition: .3s;
}

.auth-field .form-control,
.auth-field .form-select {
    padding-left: 46px;
}

.auth-panel .form-control:focus,
.auth-panel .form-select:focus {
    border-color: var(--accent);
    background-color: rgba(255, 255, 255, .12);
    color: #fff;
    box-shadow: none;
}

.auth-panel .form-control::placeholder {
    color: #6d7379;
}

/* Chrome paints autofilled fields opaque white, which breaks the glass. */
.auth-panel .form-control:-webkit-autofill,
.auth-panel .form-control:-webkit-autofill:hover,
.auth-panel .form-control:-webkit-autofill:focus,
.auth-panel .form-select:-webkit-autofill {
    -webkit-text-fill-color: #fff;
    -webkit-box-shadow: 0 0 0 1000px #23262b inset;
    caret-color: #fff;
    transition: background-color 9999s ease-out;
}

.auth-panel .form-select {
    /* Bootstrap's caret is a dark SVG - swap it for one that reads on glass. */
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%23d4a373' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='m2 5 6 6 6-6'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    background-size: 14px 11px;
    padding-right: 2.6rem;
}

.auth-panel .form-select option {
    background: var(--bg-on);
    color: #fff;
}

.auth-panel .form-control-sm {
    padding: 8px 12px;
    font-size: .85rem;
}

.auth-panel .form-text {
    color: #7b8188;
    font-size: .76rem;
    margin-top: .35rem;
}

.auth-panel .form-check-label {
    color: #999;
}

.auth-panel .form-check-input {
    border-color: rgba(255, 255, 255, .25);
    background-color: rgba(255, 255, 255, .07);
}

.auth-panel .form-check-input:checked {
    background-color: var(--accent);
    border-color: var(--accent);
}

.auth-panel .form-check-input:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(212, 163, 115, .25);
}

/* --- button ---------------------------------------------------------- */

.btn-auth {
    display: block;
    width: 100%;
    padding: 15px;
    margin-top: 10px;
    border: none;
    border-radius: 15px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
    color: #121417;
    background: linear-gradient(135deg, #bf953f, #fcf6ba, #b38728, #fcf6ba, #aa771c);
    transition: .3s;
}

.btn-auth:hover,
.btn-auth:focus {
    color: #121417;
    transform: scale(1.02);
    background: var(--lamp-shade);
}

/* --- messages -------------------------------------------------------- */

.auth-panel .alert {
    border: 1px solid transparent;
    border-radius: 15px;
    font-size: .85rem;
}

.auth-panel .alert-danger {
    background: rgba(220, 76, 70, .14);
    border-color: rgba(220, 76, 70, .35);
    color: #f3b0ac;
}

.auth-panel .alert-success {
    background: rgba(120, 190, 130, .14);
    border-color: rgba(120, 190, 130, .35);
    color: #b6e3bd;
}

.auth-panel .copy-field .btn {
    border-radius: 12px;
    border-color: rgba(255, 255, 255, .25);
    color: #fff;
}

.auth-panel .copy-field .btn:hover {
    background: rgba(255, 255, 255, .12);
    color: #fff;
}

/* --- responsive ------------------------------------------------------ */

@media (max-width: 900px) {
    .auth-shell {
        gap: 1rem;
    }

    .lamp-wrapper {
        width: 190px;
        height: 260px;
    }

    .auth-panel,
    .auth-shell.wide .auth-panel {
        flex: 1 1 100%;
        max-width: 420px;
        padding: 2rem 1.5rem;
    }
}

@media (prefers-reduced-motion: reduce) {
    .auth-lamp,
    .auth-lamp::before,
    .auth-panel,
    .lamp-shade,
    .inner-glow {
        transition-duration: .01ms;
    }
}