body {
    margin: 0;
    padding: 0;
    font-family: 'Inter', 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--bg-color, #050505);
    color: var(--text-primary, #f3f4f6);
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background-image:
        radial-gradient(circle at 15% 50%, rgba(255, 255, 255, 0.05), transparent 25%),
        radial-gradient(circle at 85% 30%, rgba(255, 255, 255, 0.03), transparent 25%);
    transition: background-color 0.4s ease, color 0.4s ease;
}

.auth-container {
    background: var(--card-bg, rgba(255, 255, 255, 0.03));
    border: 1px solid var(--card-border, rgba(255, 255, 255, 0.08));
    border-radius: 16px;
    padding: 2.5rem;
    width: 100%;
    max-width: 400px;
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    position: relative;
    overflow: hidden;
}

.auth-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.5), rgba(255, 255, 255, 0.1));
}

.auth-header {
    text-align: center;
    margin-bottom: 2rem;
}

.auth-header h1 {
    margin: 0;
    font-size: 1.8rem;
    font-weight: 700;
    color: #ffffff;
    letter-spacing: -0.025em;
}

.auth-header p {
    margin-top: 0.5rem;
    color: #a1a1aa;
    font-size: 0.95rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: #e4e4e7;
}

.form-control {
    width: 100%;
    padding: 0.75rem 1rem;
    background-color: rgba(0, 0, 0, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    color: #ffffff;
    font-size: 1rem;
    box-sizing: border-box;
    transition: all 0.3s ease;
}

.form-control::placeholder {
    color: #52525b;
}

.form-control:focus {
    outline: none;
    border-color: rgba(255, 255, 255, 0.4);
    box-shadow: 0 0 15px rgba(255, 255, 255, 0.1);
    background-color: rgba(0, 0, 0, 0.4);
}

/* Button Base */
.btn {
    width: 100%;
    padding: 0.75rem 1.5rem;
    background: rgba(255, 255, 255, 0.05);
    color: #ffffff;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-sizing: border-box;
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    position: relative;
    overflow: hidden;
}

/* Button Hover Color Emissions */
.btn:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.3);
    box-shadow: 0 0 20px rgba(255, 255, 255, 0.15);
    /* Default white emission */
    transform: translateY(-1px);
}

.btn-primary:hover {
    box-shadow: 0 0 20px rgba(59, 130, 246, 0.4);
    /* Blue emission */
    border-color: rgba(59, 130, 246, 0.5);
}

.btn-success:hover {
    box-shadow: 0 0 20px rgba(34, 197, 94, 0.4);
    /* Green emission */
    border-color: rgba(34, 197, 94, 0.5);
}

.btn-danger:hover {
    box-shadow: 0 0 20px rgba(239, 68, 68, 0.4);
    /* Red emission */
    border-color: rgba(239, 68, 68, 0.5);
}

.btn:active {
    transform: translateY(1px);
}

.btn:disabled {
    background: rgba(255, 255, 255, 0.02);
    color: #52525b;
    border-color: rgba(255, 255, 255, 0.05);
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.auth-footer {
    text-align: center;
    margin-top: 2rem;
    font-size: 0.875rem;
    color: #8b8b8b;
}

.auth-footer a {
    color: #ffffff;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.2s ease;
    border-bottom: 1px solid transparent;
}

.auth-footer a:hover {
    color: #ffffff;
    text-shadow: 0 0 8px rgba(255, 255, 255, 0.5);
    border-bottom: 1px solid rgba(255, 255, 255, 0.5);
}

/* Alert Messages (Deprecated - Use Toast) */
.alert {
    padding: 1rem;
    border-radius: 8px;
    margin-bottom: 1.5rem;
    font-size: 0.9rem;
    display: none;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.alert-danger {
    background-color: rgba(239, 68, 68, 0.1);
    color: #fca5a5;
    border: 1px solid rgba(239, 68, 68, 0.2);
    box-shadow: 0 0 15px rgba(239, 68, 68, 0.1);
    display: block;
}

.alert-success {
    background-color: rgba(34, 197, 94, 0.1);
    color: #86efac;
    border: 1px solid rgba(34, 197, 94, 0.2);
    box-shadow: 0 0 15px rgba(34, 197, 94, 0.1);
    display: block;
}

/* Toast Notifications */
#toast-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 10px;
    pointer-events: none;
}

.toast {
    font-family: 'Inter', sans-serif;
    padding: 1rem 1.5rem;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 500;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    animation: toastSlideIn 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275) forwards;
    pointer-events: auto;
    display: flex;
    align-items: center;
    gap: 12px;
}

.toast-success {
    background-color: rgba(34, 197, 94, 0.15);
    color: #86efac;
    border: 1px solid rgba(34, 197, 94, 0.3);
}

.toast-danger {
    background-color: rgba(239, 68, 68, 0.15);
    color: #fca5a5;
    border: 1px solid rgba(239, 68, 68, 0.3);
}

.toast.toast-fadeOut {
    animation: toastFadeOut 0.3s ease forwards;
}

@keyframes toastSlideIn {
    from {
        transform: translateX(120%);
        opacity: 0;
    }

    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes toastFadeOut {
    from {
        opacity: 1;
        transform: scale(1);
    }

    to {
        opacity: 0;
        transform: scale(0.9);
    }
}

/* Spinner for loading state */
.spinner {
    display: inline-block;
    width: 1rem;
    height: 1rem;
    vertical-align: text-bottom;
    border: 2px solid currentColor;
    border-right-color: transparent;
    border-radius: 50%;
    animation: spinner-border .75s linear infinite;
    margin-right: 0.5rem;
}

@keyframes spinner-border {
    to {
        transform: rotate(360deg);
    }
}

/* Dashboard Specifics adapted to Glassmorphism */
.layout-dashboard {
    display: block;
    align-items: flex-start;
}

.navbar {
    background: rgba(255, 255, 255, 0.03);
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    /* glassmorphism border */
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    position: sticky;
    top: 0;
    z-index: 50;
}

.navbar-brand {
    font-size: 1.25rem;
    font-weight: 700;
    color: #f8fafc;
    background: linear-gradient(90deg, #ffffff, #a1a1aa);
    /* sophisticated white/grey */
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.logout-btn {
    padding: 0.5rem 1rem;
    background-color: rgba(239, 68, 68, 0.1);
    color: #fca5a5;
    border: 1px solid rgba(239, 68, 68, 0.2);
    border-radius: 6px;
    text-decoration: none;
    font-weight: 500;
    font-size: 0.875rem;
    transition: all 0.2s ease;
    backdrop-filter: blur(4px);
}

.logout-btn:hover {
    background-color: rgba(239, 68, 68, 0.2);
    box-shadow: 0 0 15px rgba(239, 68, 68, 0.2);
    color: #fecaca;
}

.container {
    max-width: 1000px;
    margin: 3rem auto;
    padding: 0 1.5rem;
}

.welcome-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 16px;
    padding: 2.5rem;
    display: flex;
    align-items: center;
    gap: 2rem;
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    position: relative;
    overflow: hidden;
}

.welcome-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.5), rgba(255, 255, 255, 0.1));
}

.profile-photo {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid rgba(255, 255, 255, 0.2);
    background-color: rgba(0, 0, 0, 0.2);
}

.welcome-text h1 {
    margin: 0 0 0.5rem 0;
    font-size: 1.75rem;
    color: #ffffff;
}

.welcome-text p {
    margin: 0;
    color: #a1a1aa;
}

.badge {
    display: inline-block;
    background-color: rgba(255, 255, 255, 0.05);
    color: #e4e4e7;
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
    margin-top: 0.75rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

/* --- Animated Background --- */
#animated-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -1;
    overflow: hidden;
    pointer-events: none;
}

.floating-icon {
    position: absolute;
    color: #ffffff;
    filter: blur(1px);
    /* Default slight blur for depth */
    animation: drift linear infinite;
}

@keyframes drift {
    0% {
        transform: translateY(0) rotate(0deg) scale(1);
    }

    33% {
        transform: translateY(-30vh) rotate(120deg) scale(1.1);
    }

    66% {
        transform: translateY(-60vh) rotate(240deg) scale(0.9);
    }

    100% {
        transform: translateY(-100vh) rotate(360deg) scale(1);
    }
}