:root {
    --primary-color: #5865F2;
    --secondary-color: #6C63FF;
    --accent-color: #9EA4FF;
    --dark-bg: #050812;
    --card-bg: rgba(15, 20, 40, 0.9);
    --text-color: #ffffff;
    --light-text: #b0b3c5;
    --input-text: #ffffff;
    --error-color: #ff4757;
    --error-bg: rgba(255, 71, 87, 0.1);
}

body {
    min-height: 100vh;
    margin: 0;
    display: flex;
    flex-direction: column;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: var(--text-color);
    background: radial-gradient(circle at top, rgba(88, 101, 242, 0.25), transparent 55%),
                #050812;
}

.auth-wrap {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.brand-bar {
    background: rgba(5, 8, 18, 0.92);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    padding: 12px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(12px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
}

.brand-bar .container {
    display: flex;
    justify-content: flex-end;
}

.brand-title {
    color: #f5f7fb;
    font-weight: 600;
    font-size: 1.1rem;
}

.brand-logo {
    width: 40px;
    height: 40px;
    filter: drop-shadow(0 2px 6px rgba(0, 0, 0, 0.4));
}

.login-card {
    border-radius: 16px;
    box-shadow:
        0 8px 32px rgba(0, 0, 0, 0.5),
        0 4px 16px rgba(0, 0, 0, 0.3),
        0 2px 8px rgba(0, 0, 0, 0.2),
        inset 0 1px 0 rgba(255, 255, 255, 0.1),
        0 0 0 1px rgba(92, 101, 242, 0.2);
    overflow: hidden;
    background: var(--card-bg);
    backdrop-filter: blur(15px);
    border: 1px solid rgba(92, 101, 242, 0.25);
    width: 100%;
    max-width: 700px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    max-height: 85vh;
    overflow-y: auto;
}

.login-card:hover {
    transform: translateY(-2px);
    box-shadow:
        0 12px 40px rgba(0, 0, 0, 0.6),
        0 6px 20px rgba(0, 0, 0, 0.4),
        0 3px 10px rgba(0, 0, 0, 0.3),
        inset 0 1px 0 rgba(255, 255, 255, 0.15),
        0 0 0 1px rgba(92, 101, 242, 0.3);
}

.login-card::-webkit-scrollbar {
    width: 6px;
}

.login-card::-webkit-scrollbar-track {
    background: rgba(15, 20, 40, 0.5);
    border-radius: 8px;
}

.login-card::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 8px;
}

.login-card::-webkit-scrollbar-thumb:hover {
    background: var(--secondary-color);
}

.card-header {
    background: var(--card-bg);
    color: var(--primary-color);
    text-align: center;
    padding: 15px;
    border-bottom: 1px solid rgba(92, 101, 242, 0.2);
}

.logo-container {
    margin-bottom: 8px;
    position: relative;
}

.logo {
    height: 50px;
    filter: drop-shadow(0 0 6px rgba(120, 122, 255, 0.3));
}

.card-body {
    padding: 20px !important;
}

.form-control,
.form-select {
    padding: 8px 12px;
    border-radius: 6px;
    border: 1px solid rgba(158, 164, 255, 0.3);
    background: rgba(30, 35, 60, 0.7);
    color: var(--input-text);
    transition: all 0.3s;
    font-size: 0.85rem;
    height: 38px;
}

.form-control:focus,
.form-select:focus {
    box-shadow: 0 0 0 2px rgba(120, 122, 255, 0.3);
    border-color: var(--primary-color);
    background: rgba(40, 45, 70, 0.8);
    color: var(--input-text);
}

.form-control::placeholder {
    color: rgba(200, 200, 220, 0.6);
    font-size: 0.8rem;
}

.form-control.error,
.form-select.error {
    border-color: var(--error-color);
    background: var(--error-bg);
}

.form-control.error:focus,
.form-select.error:focus {
    box-shadow: 0 0 0 2px rgba(255, 71, 87, 0.3);
}

.error-message {
    color: var(--error-color);
    font-size: 0.75rem;
    margin-top: 4px;
    display: flex;
    align-items: center;
    gap: 4px;
}

.input-group-text,
.toggle-password {
    background: rgba(88, 101, 242, 0.2);
    color: var(--accent-color);
    border: 1px solid rgba(158, 164, 255, 0.3);
    border-radius: 0 6px 6px 0;
    padding: 0 10px;
    font-size: 0.8rem;
    width: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
}

.toggle-password.error {
    border-color: var(--error-color);
    background: rgba(255, 71, 87, 0.2);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    border: none;
    padding: 8px 16px;
    border-radius: 6px;
    font-weight: 600;
    transition: all 0.3s;
    box-shadow: 0 3px 8px rgba(92, 101, 242, 0.3);
    font-size: 0.85rem;
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--secondary-color) 0%, var(--primary-color) 100%);
    box-shadow: 0 4px 10px rgba(92, 101, 242, 0.4);
}

.btn-outline-secondary {
    border-color: rgba(158, 164, 255, 0.3);
    color: var(--accent-color);
    background: rgba(88, 101, 242, 0.1);
    padding: 6px 10px;
    font-size: 0.8rem;
}

.btn-outline-secondary:hover {
    background: rgba(88, 101, 242, 0.3);
    color: var(--text-color);
    border-color: var(--primary-color);
}

.form-label {
    font-size: 0.85rem;
    margin-bottom: 6px;
    color: var(--accent-color);
}

.signup-subtitle {
    color: var(--light-text) !important;
    font-size: 0.8rem;
}

.light-hint {
    color: var(--light-text) !important;
}

.accent-link {
    color: var(--accent-color);
    transition: color 0.3s;
}

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

.hidden-element {
    display: none !important;
}

.alert-danger {
    background-color: var(--error-bg);
    border-color: var(--error-color);
    color: var(--error-color);
    border-radius: 6px;
    margin-bottom: 15px;
    padding: 8px 12px;
    font-size: 0.8rem;
}

.row.g-3 {
    --bs-gutter-y: 0.8rem;
}

@media (max-width: 768px) {
    .auth-wrap {
        padding: 16px;
    }

    .login-card {
        max-width: 100%;
    }
}