/* ============================================================
   Login Page - MRCL Design System v2.0
   ============================================================ */

:root {
    --login-primary: #6366f1;
    --login-primary-dark: #4f46e5;
    --login-primary-light: #818cf8;
    --login-accent: #8b5cf6;
    --login-bg: #f8fafc;
    --login-card-bg: #ffffff;
    --login-text: #0f172a;
    --login-text-secondary: #475569;
    --login-text-muted: #94a3b8;
    --login-border: #e2e8f0;
    --login-gradient: linear-gradient(135deg, #6366f1, #8b5cf6);
    --login-gradient-hover: linear-gradient(135deg, #4f46e5, #7c3aed);
    --login-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
    --login-shadow-lg: 0 20px 40px -8px rgba(99, 102, 241, 0.12), 0 8px 16px -4px rgba(0, 0, 0, 0.06);
    --login-radius: 1rem;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--login-bg);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.login-container {
    position: relative;
    width: 100%;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.login-card {
    background: var(--login-card-bg);
    border-radius: var(--login-radius);
    box-shadow: var(--login-shadow-lg);
    padding: 2.5rem 2.25rem;
    width: 100%;
    max-width: 400px;
    position: relative;
    z-index: 10;
    animation: slideUp 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
    border: 1px solid rgba(226, 232, 240, 0.6);
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(24px) scale(0.98);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.login-header {
    text-align: center;
    margin-bottom: 1.75rem;
}

.login-logo {
    height: 42px;
    width: auto;
    margin-bottom: 1.25rem;
    animation: fadeIn 0.6s ease-out 0.15s both;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

.login-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--login-text);
    margin-bottom: 0.375rem;
    letter-spacing: -0.025em;
}

.login-subtitle {
    font-size: 0.8125rem;
    color: var(--login-text-muted);
}

.login-form {
    margin-bottom: 1.25rem;
}

.login-form .form-group {
    margin-bottom: 1.125rem;
}

.login-form .form-label {
    display: flex;
    align-items: center;
    gap: 0.375rem;
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--login-text);
    margin-bottom: 0.375rem;
}

.login-form .form-label i {
    color: var(--login-primary);
    font-size: 0.875rem;
}

.login-form .form-control {
    width: 100%;
    padding: 0.625rem 0.875rem;
    border: 1.5px solid var(--login-border);
    border-radius: 0.5rem;
    font-size: 0.875rem;
    color: var(--login-text);
    background: var(--login-card-bg);
    transition: all 150ms cubic-bezier(0.4, 0, 0.2, 1);
    font-family: inherit;
    line-height: 1.5;
}

.login-form .form-control:hover {
    border-color: #cbd5e1;
}

.login-form .form-control:focus {
    outline: none;
    border-color: var(--login-primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.12);
}

.login-form .form-control::placeholder {
    color: var(--login-text-muted);
}

.password-input-wrapper {
    position: relative;
}

.password-toggle {
    position: absolute;
    right: 0.625rem;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--login-text-muted);
    cursor: pointer;
    padding: 0.25rem;
    transition: color 150ms;
    font-size: 1rem;
}

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

.form-check {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.form-check-input {
    width: 0.9375rem;
    height: 0.9375rem;
    border: 1.5px solid var(--login-border);
    border-radius: 0.25rem;
    cursor: pointer;
    transition: all 150ms;
}

.form-check-input:checked {
    background-color: var(--login-primary);
    border-color: var(--login-primary);
}

.form-check-label {
    font-size: 0.75rem;
    color: var(--login-text-secondary);
    cursor: pointer;
}

.btn-login {
    width: 100%;
    padding: 0.6875rem;
    background: var(--login-gradient);
    color: white;
    border: none;
    border-radius: 0.5rem;
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 150ms cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: inherit;
    box-shadow: 0 1px 3px rgba(99, 102, 241, 0.3);
}

.btn-login:hover {
    background: var(--login-gradient-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 14px rgba(99, 102, 241, 0.35);
}

.btn-login:active {
    transform: translateY(0) scale(0.98);
}

.login-footer {
    text-align: center;
    padding-top: 1rem;
    border-top: 1px solid rgba(226, 232, 240, 0.6);
}

.login-footer p {
    font-size: 0.6875rem;
    color: var(--login-text-muted);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.25rem;
}

/* Alerts */
.alert {
    padding: 0.625rem 0.875rem;
    border-radius: 0.5rem;
    margin-bottom: 1rem;
    font-size: 0.75rem;
    display: flex;
    align-items: center;
    line-height: 1.5;
}

.alert-danger {
    background: rgba(239, 68, 68, 0.06);
    border: 1px solid rgba(239, 68, 68, 0.15);
    color: #991b1b;
}

.alert-success {
    background: rgba(16, 185, 129, 0.06);
    border: 1px solid rgba(16, 185, 129, 0.15);
    color: #065f46;
}

.btn-close {
    margin-left: auto;
    background: none;
    border: none;
    font-size: 0.875rem;
    cursor: pointer;
    opacity: 0.4;
    padding: 0.25rem;
    transition: opacity 150ms;
}

.btn-close:hover { opacity: 0.7; }

/* Background Animation */
.login-background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    overflow: hidden;
}

.bg-shape {
    position: absolute;
    border-radius: 50%;
    opacity: 0.08;
    filter: blur(40px);
}

.shape-1 {
    width: 500px;
    height: 500px;
    background: var(--login-primary);
    top: -150px;
    right: -150px;
    animation: float 10s ease-in-out infinite;
}

.shape-2 {
    width: 400px;
    height: 400px;
    background: var(--login-accent);
    bottom: -100px;
    left: -100px;
    animation: float 12s ease-in-out infinite reverse;
}

.shape-3 {
    width: 250px;
    height: 250px;
    background: var(--login-primary-dark);
    top: 40%;
    left: 60%;
    animation: float 14s ease-in-out infinite;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0) rotate(0deg);
    }
    33% {
        transform: translateY(-20px) rotate(3deg);
    }
    66% {
        transform: translateY(12px) rotate(-2deg);
    }
}

/* Responsive Design */
@media (max-width: 576px) {
    .login-card {
        padding: 2rem 1.5rem;
        border-radius: 16px;
    }

    .login-title {
        font-size: 1.5rem;
    }

    .login-subtitle {
        font-size: 0.875rem;
    }

    .login-logo {
        height: 50px;
    }
}