/* 1. Global Styles */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700&display=swap');

:root {
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --bg-card: #111827;
    --primary-blue: #3b82f6;
    --glow-blue: #60a5fa;
    --text-main: #e2e8f0;
    --text-muted: #94a3b8;
    --border: #334155;
    --success: #4ade80;
    --danger: #ef4444;
    --warning: #f59e0b;
    color-scheme: dark; /* Forces native date/time pickers to use dark mode */
}

html {
    scroll-behavior: smooth;
}

body {
    background: radial-gradient(circle at top, var(--bg-secondary), #020617);
    color: var(--text-main);
    font-family: 'Poppins', sans-serif;
    min-height: 100vh;
    margin: 0;
    display: flex;
    flex-direction: column;
}

/* Bootstrap Overrides */
h1, h2, h3, h4, h5, h6 {
    color: #fff;
    font-weight: 600;
}

a {
    text-decoration: none;
    color: var(--primary-blue);
    transition: all 0.3s ease;
}

a:hover {
    color: var(--glow-blue);
    text-shadow: 0 0 10px rgba(59, 130, 246, 0.5);
}

.text-muted {
    color: var(--text-muted) !important;
}

.text-success {
    color: var(--success) !important;
}

.text-glow-primary {
    color: var(--primary-blue) !important;
    text-shadow: 0 0 20px rgba(59, 130, 246, 0.8);
}

/* 2. Navbar */
.navbar {
    background: rgba(15, 23, 42, 0.7) !important;
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.navbar-brand {
    font-weight: 700;
    color: var(--primary-blue) !important;
    text-transform: uppercase;
    letter-spacing: 1px;
    text-shadow: 0 0 10px rgba(59, 130, 246, 0.4);
}

.navbar .btn-outline-light {
    border-color: var(--border);
    color: var(--text-muted);
}

.navbar .btn-outline-light:hover {
    background-color: var(--primary-blue);
    border-color: var(--primary-blue);
    color: #fff;
    box-shadow: 0 0 15px rgba(59, 130, 246, 0.4);
}

/* 3. Cards */
.card {
    background-color: var(--bg-card);
    border: 1px solid rgba(59, 130, 246, 0.2);
    border-radius: 12px;
    box-shadow: 0 0 15px rgba(0, 0, 0, 0.5), 0 0 5px rgba(59, 130, 246, 0.1);
    color: var(--text-main);
    margin-bottom: 1.5rem;
    transition: all 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.6), 0 0 20px rgba(59, 130, 246, 0.2);
    border-color: rgba(59, 130, 246, 0.5);
}

.card-header {
    background-color: rgba(59, 130, 246, 0.05);
    border-bottom: 1px solid var(--border);
    font-weight: 600;
    color: var(--primary-blue);
}

/* Special Glow Cards */
.card-glow-primary {
    box-shadow: 0 0 20px rgba(59, 130, 246, 0.15);
    border: 1px solid rgba(59, 130, 246, 0.3);
}
.card-glow-primary:hover {
    box-shadow: 0 0 30px rgba(59, 130, 246, 0.4);
    border-color: var(--primary-blue);
}

.card-glow-success {
    box-shadow: 0 0 20px rgba(74, 222, 128, 0.15);
    border: 1px solid rgba(74, 222, 128, 0.3);
}
.card-glow-success:hover {
    box-shadow: 0 0 30px rgba(74, 222, 128, 0.4);
    border-color: var(--success);
}

.card-glow-warning {
    box-shadow: 0 0 20px rgba(245, 158, 11, 0.15);
    border: 1px solid rgba(245, 158, 11, 0.3);
}
.card-glow-warning:hover {
    box-shadow: 0 0 30px rgba(245, 158, 11, 0.4);
    border-color: var(--warning);
}

/* 4. Buttons */
.btn-primary {
    background-color: var(--primary-blue);
    border: none;
    border-radius: 8px;
    padding: 10px 20px;
    font-weight: 500;
    transition: all 0.3s ease;
    box-shadow: 0 0 15px rgba(59, 130, 246, 0.3);
}

.btn-primary:hover {
    background-color: var(--glow-blue);
    box-shadow: 0 0 20px rgba(59, 130, 246, 0.7);
    transform: translateY(-2px);
}

.btn-outline-primary {
    color: var(--primary-blue);
    border-color: var(--primary-blue);
}

.btn-outline-primary:hover {
    background-color: var(--primary-blue);
    box-shadow: 0 0 15px rgba(59, 130, 246, 0.4);
}

.btn-success {
    background-color: var(--success);
    border: none;
    box-shadow: 0 0 10px rgba(74, 222, 128, 0.3);
}

.btn-danger {
    background-color: var(--danger);
    border: none;
    box-shadow: 0 0 10px rgba(239, 68, 68, 0.3);
}

.btn-warning {
    background-color: var(--warning);
    border: none;
    box-shadow: 0 0 10px rgba(245, 158, 11, 0.3);
    color: #0f172a;
}

/* 5. Inputs */
.form-control, .form-select {
    background-color: #020617;
    border: 1px solid var(--border);
    color: var(--text-main);
    border-radius: 6px;
    padding: 10px;
}

.form-control:focus, .form-select:focus {
    background-color: #020617;
    border-color: var(--primary-blue);
    color: var(--text-main);
    box-shadow: 0 0 8px rgba(59, 130, 246, 0.6);
}

.form-control::placeholder {
    color: var(--text-muted);
    opacity: 0.7;
}

/* Fix for Date/Time picker icons in dark mode */
input[type="date"], input[type="time"] {
    cursor: pointer;
    color: #ffffff !important;
    color-scheme: dark;
}

input[type="date"]::-webkit-calendar-picker-indicator,
input[type="time"]::-webkit-calendar-picker-indicator {
    filter: none;
    transition: transform 0.2s ease, filter 0.2s ease;
    cursor: pointer;
}

/* 6. Calendar */
#calendar {
    color: var(--text-main);
}

#calendar .bg-white {
    background-color: var(--bg-card) !important; /* Override bootstrap bg-white */
    border-color: var(--primary-blue) !important;
    box-shadow: inset 0 0 15px rgba(59, 130, 246, 0.15);
}

#calendar .bg-light {
    background-color: var(--bg-secondary) !important; /* Override bootstrap bg-light */
    border: 1px solid var(--border);
}

#calendar .bg-light:hover {
    background-color: #334155 !important;
    transform: scale(1.05);
    z-index: 10;
}

#calendar .text-dark {
    color: var(--text-main) !important;
}

#calendar .text-muted {
    color: var(--text-muted) !important;
}

/* 7. Task List */
.task-card {
    background: var(--bg-card);
    border-left: 4px solid var(--primary-blue);
}

.completed-task {
    text-decoration: line-through;
    color: var(--text-muted);
}

.status-badge {
    font-size: 0.75rem;
    padding: 0.35em 0.65em;
    border-radius: 4px;
}

.bg-warning {
    background-color: rgba(245, 158, 11, 0.2) !important;
    color: #f59e0b !important;
    border: 1px solid rgba(245, 158, 11, 0.3);
}

.bg-success {
    background-color: rgba(74, 222, 128, 0.2) !important;
    color: var(--success) !important;
    border: 1px solid rgba(74, 222, 128, 0.3);
}

/* Glowing Dots for Calendar & Legend */
.rounded-circle.bg-success {
    background-color: var(--success) !important;
    box-shadow: 0 0 8px var(--success), 0 0 15px var(--success);
}

.rounded-circle.bg-primary {
    background-color: var(--primary-blue) !important;
    box-shadow: 0 0 8px var(--primary-blue), 0 0 15px var(--primary-blue);
}

.rounded-circle.bg-danger {
    background-color: var(--danger) !important;
    box-shadow: 0 0 8px var(--danger), 0 0 15px var(--danger);
}

/* 8. Profile Page & Auth Pages */
.auth-card {
    max-width: 500px;
    width: 100%;
    margin: auto;
    padding: 3rem;
    border-radius: 15px;
    background: var(--bg-card);
    box-shadow: 0 0 25px rgba(59, 130, 246, 0.3);
    border: 1px solid var(--border);
}

.hero-card {
    background: rgba(17, 24, 39, 0.7);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 3rem;
    text-align: center;
    box-shadow: 0 0 40px rgba(59, 130, 246, 0.2);
}

/* 9. Animations */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

body {
    animation: fadeIn 0.5s ease-out;
}

/* 10. Responsive Styles */
@media (max-width: 768px) {
    .navbar .container {
        flex-direction: row;
        align-items: center;
    }

    .navbar-brand {
        font-size: 1.1rem;
    }
    
    .card-body {
        padding: 1.25rem;
    }
    
    .hero-card {
        padding: 2rem 1rem;
        margin: 0 1rem;
    }

    .auth-card {
        width: 90%;
        padding: 1.5rem;
    }

    /* Toast mobile positioning */
    .toast-container {
        left: 10px;
        right: 10px;
        top: 10px;
        display: flex;
        flex-direction: column;
        align-items: center;
    }

    .custom-toast {
        width: 100%;
        max-width: 100%;
        justify-content: center;
    }

    /* Calendar mobile adjustments */
    #calendar .p-2 {
        padding: 0.25rem !important;
        min-height: 45px !important;
    }
    
    #calendar .small {
        font-size: 0.7rem;
    }

    /* Ensure stacked inputs have spacing */
    .form-control, .btn {
        margin-bottom: 0; /* Let bootstrap gap handle it, or specific overrides */
    }

    /* Stats cards mobile optimization */
    .col-4 .card h3 {
        font-size: 1.2rem;
        margin-bottom: 0.2rem;
    }
    
    .col-4 .card small {
        font-size: 0.65rem;
    }

    /* Index Page Mobile Typography */
    .display-4 {
        font-size: 2.2rem;
        line-height: 1.2;
    }
}

/* Toast Notifications */
.toast-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1050;
}

.custom-toast {
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(10px);
    border-left: 4px solid var(--primary-blue);
    color: var(--text-main);
    padding: 15px 25px;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 12px;
    transform: translateX(120%);
    transition: transform 0.3s cubic-bezier(0.68, -0.55, 0.27, 1.55);
}

.custom-toast.show {
    transform: translateX(0);
}

.custom-toast.success { 
    border-color: var(--success); 
    box-shadow: 0 0 15px rgba(74, 222, 128, 0.2);
}
.custom-toast.danger { 
    border-color: var(--danger); 
    box-shadow: 0 0 15px rgba(239, 68, 68, 0.2);
}
.custom-toast.warning { 
    border-color: var(--warning); 
    box-shadow: 0 0 15px rgba(245, 158, 11, 0.2);
}

/* Styled Modals */
.modal-content {
    background-color: var(--bg-card);
    border: 1px solid var(--primary-blue);
    box-shadow: 0 0 30px rgba(59, 130, 246, 0.5);
    color: var(--text-main);
}

.modal-header {
    background: rgba(59, 130, 246, 0.1);
    border-bottom: 1px solid var(--border);
}

.modal-footer {
    background: rgba(15, 23, 42, 0.5);
    border-top: 1px solid var(--border);
}

.btn-close {
    filter: invert(1);
}

/* Modal Backdrop */
.modal-backdrop {
    background-color: #0f172a;
}

.modal-backdrop.show {
    opacity: 0.85;
}

/* Hover effect for picker icons */
input[type="date"]:hover::-webkit-calendar-picker-indicator,
input[type="time"]:hover::-webkit-calendar-picker-indicator {
    filter: drop-shadow(0 0 4px rgba(59, 130, 246, 0.8));
    transform: scale(1.1);
}

/* Signature Styles */
.blue-glow-text {
    display: inline-block;
    color: #ffffff;
    -webkit-text-stroke: 1px var(--primary-blue);
    text-shadow: 0 0 10px var(--primary-blue), 0 0 20px var(--glow-blue);
    animation: zoomPulse 1.5s ease-in-out infinite alternate;
}

.blue-glow-text:hover {
    animation: zoomPulse 0.5s ease-in-out infinite alternate, rainbow 2s linear infinite;
}

/* Same as blue-glow-text but without the animation */
.blue-glow-text-no-anim {
    display: inline-block;
    color: #ffffff;
    -webkit-text-stroke: 1px var(--primary-blue);
    text-shadow: 0 0 10px var(--primary-blue), 0 0 20px var(--glow-blue);
}

@keyframes zoomPulse {
    0% { transform: scale(1); }
    100% { transform: scale(1.15); }
}

@keyframes rainbow {
    0% { filter: hue-rotate(0deg); }
    100% { filter: hue-rotate(360deg); }
}