/* ── Login Page Styles ── */

/* Override body for login */
.layout-centered.login-page {
    overflow: hidden;
}

/* ── DNA Background Pattern ── */
.login-page::before {
    content: '';
    position: fixed;
    inset: 0;
    background-image:
        radial-gradient(circle at 1px 1px, rgba(45, 212, 191, 0.06) 1px, transparent 0);
    background-size: 32px 32px;
    pointer-events: none;
    z-index: 0;
}

/* Animated helix strands */
.login-page::after {
    content: '';
    position: fixed;
    top: -50%;
    left: 50%;
    width: 600px;
    height: 200%;
    transform: translateX(-50%);
    background:
        repeating-linear-gradient(
            0deg,
            transparent,
            transparent 38px,
            rgba(45, 212, 191, 0.015) 38px,
            rgba(45, 212, 191, 0.015) 40px
        ),
        repeating-linear-gradient(
            90deg,
            transparent,
            transparent 58px,
            rgba(167, 139, 250, 0.012) 58px,
            rgba(167, 139, 250, 0.012) 60px
        );
    pointer-events: none;
    z-index: 0;
    animation: driftBg 30s linear infinite;
}

@keyframes driftBg {
    0% { transform: translateX(-50%) translateY(0); }
    100% { transform: translateX(-50%) translateY(40px); }
}

/* ── Container ── */
.login-wrapper {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 420px;
    padding: 16px;
    animation: fadeInUp 0.6s cubic-bezier(0.16, 1, 0.3, 1) both;
}

/* ── Card ── */
.login-card {
    background: rgba(21, 25, 33, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 12px;
    padding: 40px 32px 36px;
}

/* ── Header ── */
.login-header {
    text-align: center;
    margin-bottom: 32px;
}

.helix-logo {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 2px;
    margin-bottom: 12px;
}

.helix-icon {
    font-size: 28px;
    line-height: 1;
}

.helix-title {
    font-family: 'JetBrains Mono', 'DM Sans', monospace;
    font-size: 28px;
    font-weight: 700;
    letter-spacing: 6px;
    background: linear-gradient(135deg, #2dd4bf, #a78bfa);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.client-name {
    font-size: 14px;
    color: #6b7280;
    font-weight: 500;
    letter-spacing: 0.5px;
    text-transform: capitalize;
}

/* ── Form ── */
.login-form .form-group {
    margin-bottom: 20px;
}

.login-form .form-group label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    color: #6b7280;
    margin-bottom: 8px;
    letter-spacing: 0.2px;
}

.login-form .form-group input[type="password"] {
    width: 100%;
    padding: 12px 16px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 6px;
    color: #f1f5f9;
    font-family: 'DM Sans', sans-serif;
    font-size: 15px;
    outline: none;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.login-form .form-group input[type="password"]::placeholder {
    color: rgba(107, 114, 128, 0.6);
}

.login-form .form-group input[type="password"]:focus {
    border-color: #2dd4bf;
    box-shadow: 0 0 0 3px rgba(45, 212, 191, 0.1);
}

.login-form .form-group input[type="password"]:focus-visible {
    border-color: #2dd4bf;
    box-shadow: 0 0 0 3px rgba(45, 212, 191, 0.15);
}

/* ── Submit Button ── */
.submit-btn {
    width: 100%;
    padding: 12px 20px;
    background: linear-gradient(135deg, #2dd4bf, #14b8a6);
    border: none;
    border-radius: 6px;
    color: #0c0f14;
    font-family: 'DM Sans', sans-serif;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: opacity 0.2s ease, transform 0.1s ease, box-shadow 0.2s ease;
    position: relative;
    overflow: hidden;
}

.submit-btn:hover {
    opacity: 0.92;
    box-shadow: 0 4px 20px rgba(45, 212, 191, 0.25);
}

.submit-btn:active {
    transform: scale(0.985);
}

.submit-btn:focus-visible {
    outline: 2px solid #2dd4bf;
    outline-offset: 2px;
}

.submit-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

.submit-btn .btn-text {
    transition: opacity 0.2s ease;
}

.submit-btn.loading .btn-text {
    opacity: 0;
}

.submit-btn .spinner {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 20px;
    height: 20px;
    border: 2px solid rgba(12, 15, 20, 0.3);
    border-top-color: #0c0f14;
    border-radius: 50%;
    opacity: 0;
    transition: opacity 0.2s ease;
    animation: spin 0.6s linear infinite;
}

.submit-btn.loading .spinner {
    opacity: 1;
}

/* ── Error ── */
.login-error {
    background: rgba(239, 68, 68, 0.08);
    border: 1px solid rgba(239, 68, 68, 0.2);
    border-radius: 6px;
    padding: 10px 14px;
    margin-bottom: 16px;
    font-size: 13px;
    color: #f87171;
    display: none;
    align-items: center;
    gap: 8px;
}

.login-error.visible {
    display: flex;
    animation: shakeIn 0.4s cubic-bezier(0.36, 0.07, 0.19, 0.97) both;
}

.login-error .error-icon {
    flex-shrink: 0;
    font-size: 14px;
}

@keyframes shakeIn {
    0% { transform: translateX(0); opacity: 0; }
    15% { transform: translateX(-8px); opacity: 1; }
    30% { transform: translateX(6px); }
    45% { transform: translateX(-4px); }
    60% { transform: translateX(2px); }
    75% { transform: translateX(-1px); }
    100% { transform: translateX(0); }
}

/* ── Separator ── */
.login-separator {
    display: flex;
    align-items: center;
    gap: 16px;
    margin: 28px 0;
}

.login-separator::before,
.login-separator::after {
    content: '';
    flex: 1;
    height: 1px;
    background: rgba(255, 255, 255, 0.06);
}

.login-separator span {
    font-size: 12px;
    color: #6b7280;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 500;
}

/* ── Champion Section ── */
.champion-section {
    text-align: center;
}

.champion-text {
    font-size: 13px;
    color: #6b7280;
    line-height: 1.6;
}

.champion-text strong {
    color: #a78bfa;
    font-weight: 600;
}

/* ── Footer ── */
.login-footer {
    text-align: center;
    margin-top: 24px;
}

.login-footer p {
    font-size: 11px;
    color: rgba(107, 114, 128, 0.5);
    letter-spacing: 0.3px;
}

/* ── Responsive ── */
@media (max-width: 480px) {
    .login-card {
        padding: 32px 20px 28px;
        border-radius: 8px;
    }

    .helix-title {
        font-size: 24px;
        letter-spacing: 5px;
    }
}