/* Login page styling (public/css/login.css) */

:root {
    --auth-bg-0: #070a13;
    --auth-bg-1: #0b1226;
    --auth-card: rgba(15, 23, 42, 0.78);
    --auth-card-border: rgba(148, 163, 184, 0.18);
    --auth-text: #e5e7eb;
    --auth-muted: #a8b0c0;
    --auth-input: rgba(2, 6, 23, 0.45);
    --auth-input-border: rgba(148, 163, 184, 0.22);
    --auth-focus: rgba(99, 102, 241, 0.35);
    --auth-accent: #6366f1; /* indigo */
    --auth-accent-2: #22d3ee; /* cyan */
    --auth-danger: #ef4444;
}

body.auth-page.login-page {
    min-height: 100vh;
    background:
        radial-gradient(1200px 600px at 15% 20%, rgba(99, 102, 241, 0.18), transparent 60%),
        radial-gradient(900px 500px at 85% 35%, rgba(34, 211, 238, 0.12), transparent 55%),
        linear-gradient(180deg, var(--auth-bg-1), var(--auth-bg-0));
    font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
}

.auth-shell {
    width: 100%;
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 28px 16px;
}

.auth-card {
    width: min(980px, 100%);
    display: grid;
    grid-template-columns: 1.05fr 0.95fr;
    border-radius: 18px;
    background: var(--auth-card);
    border: 1px solid var(--auth-card-border);
    box-shadow:
        0 24px 70px rgba(0, 0, 0, 0.55),
        0 1px 0 rgba(255, 255, 255, 0.06) inset;
    overflow: hidden;
    backdrop-filter: blur(12px);
}

.auth-aside {
    position: relative;
    padding: 28px 28px 22px;
    background:
        radial-gradient(1000px 600px at 20% 10%, rgba(99, 102, 241, 0.22), transparent 55%),
        radial-gradient(700px 500px at 70% 70%, rgba(34, 211, 238, 0.14), transparent 55%),
        linear-gradient(180deg, rgba(15, 23, 42, 0.75), rgba(2, 6, 23, 0.55));
    border-right: 1px solid rgba(148, 163, 184, 0.14);
}

.auth-aside::after {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(circle at 20% 30%, rgba(255, 255, 255, 0.06), transparent 40%),
        radial-gradient(circle at 70% 70%, rgba(255, 255, 255, 0.04), transparent 42%);
    pointer-events: none;
}

.auth-brand {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: var(--auth-text);
}

.auth-brand-mark {
    width: 44px;
    height: 44px;
    display: grid;
    place-items: center;
    border-radius: 12px;
    background: rgba(99, 102, 241, 0.16);
    border: 1px solid rgba(99, 102, 241, 0.26);
    box-shadow: 0 10px 30px rgba(99, 102, 241, 0.12);
}

.auth-brand-mark i {
    color: rgba(229, 231, 235, 0.95);
}

.auth-brand-text {
    display: grid;
    gap: 2px;
}

.auth-brand-name {
    font-weight: 700;
    letter-spacing: 0.2px;
}

.auth-brand-subtitle {
    font-size: 0.9rem;
    color: var(--auth-muted);
}

.auth-aside-content {
    position: relative;
    z-index: 1;
    margin-top: 22px;
}

.auth-aside-title {
    margin: 0 0 14px;
    font-size: 1.05rem;
    color: rgba(229, 231, 235, 0.92);
    line-height: 1.4;
}

.auth-aside-list {
    margin: 0;
    padding-left: 18px;
    color: rgba(168, 176, 192, 0.95);
}

.auth-aside-list li {
    margin: 10px 0;
}

.auth-aside-footer {
    position: relative;
    z-index: 1;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 22px;
}

.auth-pill {
    display: inline-flex;
    align-items: center;
    padding: 6px 10px;
    border-radius: 999px;
    font-size: 0.8rem;
    color: rgba(229, 231, 235, 0.9);
    background: rgba(2, 6, 23, 0.28);
    border: 1px solid rgba(148, 163, 184, 0.18);
}

.auth-main {
    padding: 30px 30px 26px;
    color: var(--auth-text);
}

.auth-header {
    margin-bottom: 18px;
}

.auth-title {
    margin: 0;
    font-size: 1.7rem;
    letter-spacing: 0.2px;
}

.auth-subtitle {
    margin: 6px 0 0;
    color: var(--auth-muted);
}

.auth-form {
    margin-top: 18px;
}

.auth-field {
    margin-bottom: 16px;
}

.auth-label {
    display: block;
    margin-bottom: 8px;
    font-size: 0.92rem;
    color: rgba(229, 231, 235, 0.92);
}

.input-group {
    margin-bottom: 0;
}

.input-group .form-control {
    height: auto;
    padding: 12px 14px;
    border-radius: 12px;
    background: var(--auth-input);
    border: 1px solid var(--auth-input-border);
    color: rgba(229, 231, 235, 0.96);
}

.input-group .form-control::placeholder {
    color: rgba(168, 176, 192, 0.75);
}

.input-group .form-control:focus {
    background: var(--auth-input);
    border-color: rgba(99, 102, 241, 0.55);
    box-shadow: 0 0 0 4px var(--auth-focus);
    color: rgba(229, 231, 235, 0.96);
}

.input-group-append .input-group-text {
    border-radius: 12px;
    background: rgba(2, 6, 23, 0.32);
    border: 1px solid var(--auth-input-border);
    border-left: none;
    color: rgba(168, 176, 192, 0.9);
    padding: 0 14px;
}

.input-group-append .input-group-text.auth-peek {
    cursor: pointer;
    user-select: none;
    outline: none;
}

.input-group-append .input-group-text.auth-peek:hover {
    color: rgba(229, 231, 235, 0.98);
}

.input-group-append .input-group-text.auth-peek:focus {
    box-shadow: 0 0 0 4px var(--auth-focus);
}

.input-group:focus-within .input-group-text {
    color: rgba(229, 231, 235, 0.95);
    border-color: rgba(99, 102, 241, 0.55);
}

.is-invalid {
    border-color: rgba(239, 68, 68, 0.75) !important;
}

.invalid-feedback {
    display: block;
    margin-top: 8px;
    color: rgba(239, 68, 68, 0.95);
    font-size: 0.88rem;
}

.auth-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin: 14px 0 18px;
}

.auth-remember label {
    color: rgba(168, 176, 192, 0.95);
    font-size: 0.92rem;
    cursor: pointer;
}

.auth-link {
    color: rgba(229, 231, 235, 0.92);
    text-decoration: none;
    font-size: 0.92rem;
}

.auth-link:hover {
    text-decoration: underline;
    text-underline-offset: 3px;
}

.btn.btn-primary.auth-submit {
    width: 100%;
    border: none;
    border-radius: 12px;
    padding: 12px 16px;
    font-weight: 700;
    letter-spacing: 0.2px;
    background: linear-gradient(135deg, var(--auth-accent), var(--auth-accent-2));
    box-shadow: 0 12px 30px rgba(99, 102, 241, 0.18);
}

.btn.btn-primary.auth-submit:hover {
    filter: brightness(1.03);
    transform: translateY(-1px);
}

.btn.btn-primary.auth-submit:active {
    transform: translateY(0);
}

.btn.btn-primary.auth-submit:focus {
    box-shadow: 0 0 0 4px var(--auth-focus), 0 12px 30px rgba(99, 102, 241, 0.18);
}

.auth-alt {
    margin: 14px 0 0;
    color: rgba(168, 176, 192, 0.95);
    font-size: 0.92rem;
}

.auth-footer {
    margin-top: 14px;
    text-align: center;
    color: rgba(168, 176, 192, 0.75);
    font-size: 0.85rem;
}

.auth-card {
    animation: auth-enter 520ms cubic-bezier(0.2, 0.8, 0.2, 1) both;
}

@keyframes auth-enter {
    from { opacity: 0; transform: translateY(10px) scale(0.99); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

.btn-primary.loading {
    position: relative;
    color: transparent !important;
    pointer-events: none;
}

.btn-primary.loading::after {
    content: "";
    position: absolute;
    width: 18px;
    height: 18px;
    top: 50%;
    left: 50%;
    margin-left: -9px;
    margin-top: -9px;
    border: 2px solid rgba(255, 255, 255, 0.35);
    border-top-color: rgba(255, 255, 255, 0.95);
    border-radius: 50%;
    animation: auth-spin 0.75s linear infinite;
}

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

@media (max-width: 840px) {
    .auth-card {
        grid-template-columns: 1fr;
    }

    .auth-aside {
        display: none;
    }

    .auth-main {
        padding: 28px 20px 22px;
    }
}

@media (prefers-reduced-motion: reduce) {
    .auth-card {
        animation: none;
    }

    .btn.btn-primary.auth-submit:hover {
        transform: none;
    }

    .btn-primary.loading::after {
        animation-duration: 1.2s;
    }
}