@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700&display=swap');

/* ── Variables ── */
:root {
    --primary: #4f46e5;
    --primary-lt: #eef2ff;
    --primary-md: #6366f1;
    --primary-dk: #3730a3;
    --accent: #f59e0b;
    --accent-lt: #fef3c7;
    --bg-from: #f0f4ff;
    --bg-to: #faf5ff;
    --card-bg: #ffffff;
    --card-border: rgba(79,70,229,.1);
    --card-shadow: 0 24px 64px rgba(79,70,229,.14), 0 4px 16px rgba(0,0,0,.06);
    --txt: #1e293b;
    --txt-2: #64748b;
    --txt-3: #94a3b8;
    --border: #e2e8f0;
    --border-focus: #4f46e5;
    --input-bg: #f8fafc;
    --input-bg-focus: #ffffff;
    --error: #dc2626;
    --error-bg: #fef2f2;
    --error-border: #fca5a5;
    --r: 12px;
    --r-sm: 8px;
    --r-lg: 20px;
    --t: 220ms cubic-bezier(.4,0,.2,1);
    --font: 'Outfit', system-ui, sans-serif;
}

/* ── Reset & Base ── */
*, *::before, *::after {
    box-sizing: border-box;
}

html, body {
    height: 100%;
    margin: 0;
    font-family: var(--font);
    font-size: 15px;
    -webkit-font-smoothing: antialiased;
}

body {
    background: linear-gradient(135deg, var(--bg-from) 0%, var(--bg-to) 100%);
    min-height: 100vh;
    position: relative;
    overflow-x: hidden;
}

    /* ── Decorative background shapes ── */
    body::before,
    body::after {
        content: '';
        position: fixed;
        border-radius: 50%;
        pointer-events: none;
        z-index: 0;
    }

    body::before {
        width: 600px;
        height: 600px;
        top: -180px;
        right: -160px;
        background: radial-gradient(circle, rgba(99,102,241,.12) 0%, transparent 70%);
    }

    body::after {
        width: 500px;
        height: 500px;
        bottom: -160px;
        left: -140px;
        background: radial-gradient(circle, rgba(245,158,11,.1) 0%, transparent 70%);
    }

/* ── Layout ── */
.login-wrapper {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px 16px;
    position: relative;
    z-index: 1;
}

/* ── Card ── */
.login-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--r-lg);
    box-shadow: var(--card-shadow);
    padding: 44px 40px 36px;
    width: 100%;
    max-width: 420px;
    position: relative;
    animation: cardIn .5s cubic-bezier(.22,1,.36,1) both;
}

    /* Top accent stripe */
    .login-card::before {
        content: '';
        position: absolute;
        top: 0;
        left: 32px;
        right: 32px;
        height: 3px;
        background: linear-gradient(90deg, var(--primary), var(--primary-md), var(--accent));
        border-radius: 0 0 4px 4px;
    }

/* ── Brand header ── */
.login-brand {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: 32px;
    text-align: center;
}

.login-logo-wrap {
    width: 72px;
    height: 72px;
    background: var(--primary-lt);
    border-radius: var(--r);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
    border: 1px solid rgba(79,70,229,.15);
    position: relative;
    overflow: hidden;
}

    .login-logo-wrap::after {
        content: '';
        position: absolute;
        inset: 0;
        background: linear-gradient(135deg, rgba(255,255,255,.4) 0%, transparent 60%);
        pointer-events: none;
    }

    .login-logo-wrap img {
        width: 52px;
        height: 52px;
        object-fit: contain;
        position: relative;
        z-index: 1;
    }

.login-title {
    font-size: 1.45rem;
    font-weight: 700;
    color: var(--txt);
    margin: 0 0 4px;
    letter-spacing: -.02em;
}

.login-subtitle {
    font-size: .82rem;
    color: var(--txt-2);
    font-weight: 400;
    margin: 0;
}

    .login-subtitle strong {
        color: var(--primary);
        font-weight: 600;
    }

/* ── Alert / Error message ── */
.login-alert {
    background: var(--error-bg);
    border: 1px solid var(--error-border);
    border-radius: var(--r-sm);
    padding: 10px 14px;
    font-size: .82rem;
    color: var(--error);
    font-weight: 500;
    margin-bottom: 20px;
    display: flex;
    align-items: flex-start;
    gap: 8px;
    line-height: 1.5;
    white-space: normal;
    word-wrap: break-word;
}

    .login-alert::before {
        content: '⚠';
        flex-shrink: 0;
        font-size: .9rem;
        margin-top: 1px;
    }

/* ── Form fields ── */
.field-group {
    margin-bottom: 16px;
}

.field-label {
    display: block;
    font-size: .8rem;
    font-weight: 600;
    color: var(--txt-2);
    margin-bottom: 6px;
    letter-spacing: .02em;
}

.field-wrap {
    position: relative;
}

.field-icon {
    position: absolute;
    left: 13px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--txt-3);
    font-size: .9rem;
    pointer-events: none;
    transition: color var(--t);
    z-index: 2;
}

/* Target ASP.NET TextBox rendered inputs */
.field-wrap input,
.field-wrap .form-control {
    width: 100% !important;
    padding: 11px 14px 11px 40px !important;
    border: 1.5px solid var(--border) !important;
    border-radius: var(--r-sm) !important;
    background: var(--input-bg) !important;
    color: var(--txt) !important;
    font-size: .9rem !important;
    font-family: var(--font) !important;
    font-weight: 500 !important;
    outline: none !important;
    transition: border-color var(--t), background var(--t), box-shadow var(--t) !important;
    box-shadow: none !important;
    -webkit-appearance: none;
}

    .field-wrap input:focus,
    .field-wrap .form-control:focus {
        border-color: var(--primary) !important;
        background: var(--input-bg-focus) !important;
        box-shadow: 0 0 0 3px rgba(79,70,229,.1) !important;
    }

        .field-wrap input:focus + .field-icon,
        .field-wrap:focus-within .field-icon {
            color: var(--primary);
        }

/* Show/hide password toggle */
.pwd-toggle {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--txt-3);
    cursor: pointer;
    font-size: .88rem;
    z-index: 2;
    padding: 4px;
    border-radius: 4px;
    transition: color var(--t), background var(--t);
    line-height: 1;
    background: none;
    border: none;
}

    .pwd-toggle:hover {
        color: var(--primary);
    }

/* ── Validation errors (ASP.NET) ── */
.field-group .text-danger,
.field-group [id*="RequiredFieldValidator"],
.field-group [id*="CustomValidator"] {
    display: none !important; /* hidden — we use red border from changeColor() */
}

/* Red border state triggered by ASP.NET CustomValidator */
.field-wrap input[style*="border: 1px solid red"],
.field-wrap .form-control[style*="border: 1px solid red"] {
    border-color: var(--error) !important;
    box-shadow: 0 0 0 3px rgba(220,38,38,.08) !important;
}

/* ValidationSummary */
[id*="ValidationSummary"] {
    display: none !important;
}

/* ── Login button ── */
.login-btn {
    width: 100%;
    padding: 13px 20px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-md) 100%);
    color: #fff;
    border: none;
    border-radius: var(--r-sm);
    font-size: .95rem;
    font-weight: 600;
    font-family: var(--font);
    letter-spacing: .02em;
    cursor: pointer;
    transition: opacity var(--t), transform var(--t), box-shadow var(--t);
    box-shadow: 0 4px 16px rgba(79,70,229,.35);
    position: relative;
    overflow: hidden;
    margin-top: 6px;
}

    .login-btn::before {
        content: '';
        position: absolute;
        inset: 0;
        background: linear-gradient(135deg, rgba(255,255,255,.12) 0%, transparent 60%);
        pointer-events: none;
    }

    .login-btn:hover {
        opacity: .92;
        transform: translateY(-1px);
        box-shadow: 0 8px 24px rgba(79,70,229,.4);
    }

    .login-btn:active {
        transform: translateY(0);
        box-shadow: 0 2px 8px rgba(79,70,229,.3);
    }

    /* Override ASP.NET Button's default btn-success class */
    .login-btn.btn-success,
    input.btn-success.login-btn {
        background: linear-gradient(135deg, var(--primary) 0%, var(--primary-md) 100%) !important;
        border-color: transparent !important;
        color: #fff !important;
    }

/* ── Footer note ── */
.login-footer {
    text-align: center;
    margin-top: 24px;
    padding-top: 20px;
    border-top: 1px solid var(--border);
}

    .login-footer p {
        font-size: .75rem;
        color: var(--txt-3);
        margin: 0;
        line-height: 1.6;
    }

    .login-footer strong {
        color: var(--txt-2);
        font-weight: 600;
    }

/* ── Animation ── */
@keyframes cardIn {
    from {
        opacity: 0;
        transform: translateY(20px) scale(.98);
    }

    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

/* ── Responsive ── */
@media (max-width: 480px) {
    .login-card {
        padding: 36px 24px 28px;
        border-radius: var(--r);
    }

    .login-title {
        font-size: 1.25rem;
    }

    .login-logo-wrap {
        width: 62px;
        height: 62px;
    }

        .login-logo-wrap img {
            width: 44px;
            height: 44px;
        }
}

@media (max-width: 360px) {
    .login-card {
        padding: 28px 18px 24px;
    }
}