:root {
    --accent: #1f6feb;
    --accent-hover: #0b4fc0;
    --text: #1e293b;
    --muted: #64748b;
    --border: #dfe5ee;
    --error-bg: #fef2f2;
    --error-text: #b91c1c;
}

* {
    box-sizing: border-box;
}

.login-page {
    margin: 0;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    /* Navy financial backdrop with a faint dashboard grid */
    background-color: #0f1f3d;
    background-image:
        radial-gradient(1200px 600px at 70% -10%, rgba(31, 111, 235, 0.35), transparent 60%),
        linear-gradient(180deg, #14264a 0%, #0b1730 100%),
        linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
    background-size: auto, auto, 28px 28px, 28px 28px;
}

.login-card {
    width: 100%;
    max-width: 400px;
    background: #ffffff;
    border-radius: 16px;
    padding: 2.5rem;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.25);
    animation: card-in 0.4s ease;
}

@keyframes card-in {
    from { opacity: 0; transform: translateY(12px); }
    to   { opacity: 1; transform: translateY(0); }
}

.login-title {
    margin: 0;
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--text);
}

.login-subtitle {
    margin: 0.25rem 0 1.75rem;
    color: var(--muted);
    font-size: 0.95rem;
}

.login-error {
    background: var(--error-bg);
    color: var(--error-text);
    border-radius: 10px;
    padding: 0.75rem 1rem;
    font-size: 0.9rem;
    margin-bottom: 1.25rem;
}

.login-form {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.field {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.field-label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text);
}

.field input {
    width: 100%;
    padding: 0.8rem 1rem;
    font-size: 1rem;
    color: var(--text);
    border: 1.5px solid var(--border);
    border-radius: 10px;
    background: #f8fafc;
    transition: border-color 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}

.field input:focus {
    outline: none;
    background: #ffffff;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
}

.login-button {
    margin-top: 0.5rem;
    padding: 0.85rem 1rem;
    font-size: 1rem;
    font-weight: 600;
    color: #ffffff;
    background: var(--accent);
    border: none;
    border-radius: 10px;
    cursor: pointer;
    transition: background 0.15s ease, transform 0.05s ease;
}

.login-button:hover {
    background: var(--accent-hover);
}

.login-button:active {
    transform: translateY(1px);
}