:root {
    --bg-color: #f4f4f0;
    --card-bg: #ffffff;
    --text-color: #000000;
    --border-color: #000000;
    --border-width: 2px;
    --shadow-offset: 4px;
    --svg-bg: #ffffff;
    --grid-line: #ddd;
    --input-bg: #ffffff;
    --input-border: #000000;
    
    /* Palette from image */
    --clr-blue: #1b4b8a;
    --clr-green: #2e7d32;
    --clr-orange: #d84315;
    --clr-green-light: #81c784;
    --clr-purple: #6a1b9a;
    --clr-red: #c62828;
    --clr-blue-light: #29b6f6;
    --clr-orange-light: #ffb74d;
    
    --clr-dark-blue: #0d2a4a;
    --clr-dark-green: #1b5e20;
    --clr-dark-purple: #4a148c;
}

/* Dark Mode */
body.dark-mode {
    --bg-color: #121212;
    --card-bg: #1e1e1e;
    --text-color: #e0e0e0;
    --border-color: #444444;
    --svg-bg: #1e1e1e;
    --grid-line: #333;
    --input-bg: #2a2a2a;
    --input-border: #555;
}

body.dark-mode header {
    background-color: var(--card-bg);
}

body.dark-mode th {
    background-color: #2a2a2a;
    color: var(--text-color);
}

body.dark-mode svg text {
    fill: var(--text-color);
}

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

body {
    font-family: 'Roboto Mono', monospace;
    background-color: var(--bg-color);
    color: var(--text-color);
    padding: 20px;
    transition: background-color 0.4s ease, color 0.4s ease;
}

.dashboard {
    max-width: 1600px;
    margin: 0 auto;
}

/* Header */
header {
    background-color: #ffffff;
    border: var(--border-width) solid var(--border-color);
    padding: 15px 20px;
    margin-bottom: 20px;
    box-shadow: var(--shadow-offset) var(--shadow-offset) 0px var(--border-color);
    transition: background-color 0.4s ease;
}

h1 {
    font-family: 'Oswald', sans-serif;
    font-size: 2.2rem;
    text-align: center;
    letter-spacing: 1px;
}

.header-controls {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 20px;
    margin-top: 10px;
}

/* Countdown */
.countdown {
    font-family: 'Roboto Mono', monospace;
    font-size: 1rem;
    display: flex;
    align-items: center;
    gap: 4px;
}

.countdown-label {
    font-weight: bold;
    margin-right: 8px;
    font-size: 0.85rem;
    opacity: 0.7;
}

.countdown-digit {
    background: var(--clr-dark-blue);
    color: #fff;
    padding: 4px 8px;
    font-weight: bold;
    font-size: 1.1rem;
    min-width: 36px;
    text-align: center;
    border: 1px solid var(--border-color);
}

/* Theme Toggle */
.theme-toggle {
    background: var(--card-bg);
    border: 2px solid var(--border-color);
    padding: 6px 12px;
    font-size: 1.2rem;
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: 2px 2px 0px var(--border-color);
}

.theme-toggle:hover {
    transform: translate(-1px, -1px);
    box-shadow: 3px 3px 0px var(--border-color);
}

.theme-toggle:active {
    transform: translate(1px, 1px);
    box-shadow: 1px 1px 0px var(--border-color);
}

/* RSVP Progress Bar */
.rsvp-progress-wrapper {
    background: var(--card-bg);
    border: var(--border-width) solid var(--border-color);
    padding: 12px 20px;
    margin-bottom: 20px;
    box-shadow: var(--shadow-offset) var(--shadow-offset) 0px var(--border-color);
    transition: background-color 0.4s ease;
}

.rsvp-progress-label {
    display: flex;
    justify-content: space-between;
    font-size: 0.85rem;
    font-weight: bold;
    margin-bottom: 8px;
}

.rsvp-progress-bar {
    width: 100%;
    height: 20px;
    background: var(--grid-line);
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
}

.rsvp-progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--clr-green), var(--clr-blue));
    transition: width 2s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    position: relative;
}

.rsvp-progress-fill::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: repeating-linear-gradient(
        -45deg,
        transparent,
        transparent 6px,
        rgba(255,255,255,0.15) 6px,
        rgba(255,255,255,0.15) 12px
    );
    animation: barberpole 1s linear infinite;
}

@keyframes barberpole {
    0% { background-position: 0 0; }
    100% { background-position: 17px 0; }
}

/* Typography */
h2 {
    font-family: 'Oswald', sans-serif;
    font-size: 1.5rem;
    margin-bottom: 10px;
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 5px;
}

h3 {
    font-family: 'Oswald', sans-serif;
    font-size: 1.3rem;
    margin-bottom: 10px;
}

.subtitle {
    font-size: 0.8rem;
    color: #555;
    margin-bottom: 10px;
}

/* Grid Layout */
.grid-container {
    display: grid;
    grid-template-columns: 3fr 2.5fr 2.5fr 2fr;
    gap: 20px;
}

.grid-col {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

/* Cards */
.card {
    background-color: var(--card-bg);
    border: var(--border-width) solid var(--border-color);
    padding: 15px;
    box-shadow: var(--shadow-offset) var(--shadow-offset) 0px var(--border-color);
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    opacity: 0;
    transform: translateY(20px);
    animation: cardEntrance 0.5s ease forwards;
}

@keyframes cardEntrance {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.card:nth-child(1) { animation-delay: 0.05s; }
.card:nth-child(2) { animation-delay: 0.1s; }
.card:nth-child(3) { animation-delay: 0.15s; }

.card:hover {
    transform: translate(-2px, -2px);
    box-shadow: calc(var(--shadow-offset) + 2px) calc(var(--shadow-offset) + 2px) 0px var(--border-color);
}

/* Table */
.table-filter {
    margin-bottom: 10px;
}

.table-search {
    width: 100%;
    padding: 8px 12px;
    border: 2px solid var(--input-border);
    font-family: 'Roboto Mono', monospace;
    font-size: 0.85rem;
    background: var(--input-bg);
    color: var(--text-color);
    transition: all 0.2s ease;
}

.table-search:focus {
    outline: none;
    box-shadow: 3px 3px 0px var(--border-color);
}

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.85rem;
}

th, td {
    border: 1px solid var(--border-color);
    padding: 8px;
    text-align: left;
}

th {
    background-color: #eaeaea;
    font-weight: bold;
    cursor: pointer;
    user-select: none;
    transition: background-color 0.2s ease;
}

th:hover {
    background-color: #ddd;
}

tbody tr {
    cursor: pointer;
    transition: all 0.15s ease;
}

tbody tr:hover {
    filter: brightness(1.15);
    transform: scale(1.01);
}

tbody tr:active {
    transform: scale(0.99);
}

tbody tr.hidden-row {
    display: none;
}

/* Table Row Colors */
.bg-blue { background-color: var(--clr-blue); }
.bg-green { background-color: var(--clr-green); }
.bg-orange { background-color: var(--clr-orange); }
.bg-green-light { background-color: var(--clr-green-light); }
.bg-purple { background-color: var(--clr-purple); }
.bg-red { background-color: var(--clr-red); }
.bg-blue-light { background-color: var(--clr-blue-light); }
.bg-orange-light { background-color: var(--clr-orange-light); }

.text-white { color: #ffffff; }

/* Sidebar Cards */
.bg-dark-blue { background-color: var(--clr-dark-blue); }
.bg-green-dark { background-color: var(--clr-dark-green); }
.bg-purple-dark { background-color: var(--clr-dark-purple); }

.sidebar .card {
    padding: 20px;
}

.sidebar h3 {
    border-bottom: 1px solid rgba(255,255,255,0.3);
    padding-bottom: 5px;
}

.sidebar ul {
    list-style: none;
    font-size: 0.85rem;
}

.sidebar li {
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.sidebar a {
    text-decoration: underline;
}

/* RSVP Button */
.rsvp-button {
    display: block;
    text-align: center;
    padding: 12px 20px;
    margin: 10px 0;
    background: linear-gradient(135deg, var(--clr-orange), var(--clr-red));
    color: #fff;
    text-decoration: none;
    font-family: 'Oswald', sans-serif;
    font-size: 1.2rem;
    font-weight: bold;
    letter-spacing: 2px;
    border: 2px solid rgba(255,255,255,0.3);
    transition: all 0.2s ease;
    animation: rsvpPulse 2s ease-in-out infinite;
}

@keyframes rsvpPulse {
    0%, 100% { box-shadow: 0 0 0px rgba(216, 67, 21, 0); }
    50% { box-shadow: 0 0 20px rgba(216, 67, 21, 0.5); }
}

.rsvp-button:hover {
    transform: scale(1.03);
    filter: brightness(1.1);
    animation: none;
    box-shadow: 0 0 25px rgba(216, 67, 21, 0.6);
}

.rsvp-button:active {
    transform: scale(0.97);
}

.rsvp-deadline {
    font-size: 0.8rem;
    opacity: 0.7;
    text-align: center;
}

/* Metric Values */
.metric-value {
    font-weight: bold;
}

.metric-value.done {
    color: #81c784;
}

.metric-value.critical {
    color: #ff6b6b;
    animation: criticalBlink 1.5s ease-in-out infinite;
}

@keyframes criticalBlink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* Checklist */
.checklist label {
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: opacity 0.2s ease;
}

.checklist input[type="checkbox"] {
    width: 16px;
    height: 16px;
    cursor: pointer;
    accent-color: var(--clr-green);
}

.checklist label:has(input:checked) {
    text-decoration: line-through;
    opacity: 0.6;
}

.checklist-progress {
    width: 100%;
    height: 8px;
    background: rgba(255,255,255,0.15);
    margin-top: 12px;
    border: 1px solid rgba(255,255,255,0.2);
}

.checklist-progress-bar {
    height: 100%;
    background: var(--clr-green);
    transition: width 0.4s ease;
}

.checklist-status {
    font-size: 0.75rem;
    opacity: 0.6;
    margin-top: 6px;
    text-align: right;
}

/* Chart Containers */
.chart-container {
    width: 100%;
    flex: 1;
    min-height: 200px;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
}

svg {
    width: 100%;
    height: 100%;
    background-color: var(--svg-bg);
    border: 1px solid var(--grid-line);
    transition: background-color 0.4s ease;
}

/* SVG Interactive Elements */
svg rect.interactive,
svg path.interactive {
    cursor: pointer;
    transition: filter 0.15s ease, transform 0.15s ease;
}

svg rect.interactive:hover,
svg path.interactive:hover {
    filter: brightness(1.2) drop-shadow(0 0 4px rgba(0,0,0,0.3));
}

/* Tooltip */
.tooltip {
    position: fixed;
    background: #1a1a1a;
    color: #fff;
    padding: 8px 14px;
    font-size: 0.8rem;
    font-family: 'Roboto Mono', monospace;
    border: 2px solid #444;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.15s ease;
    z-index: 1000;
    max-width: 250px;
    box-shadow: 4px 4px 0px rgba(0,0,0,0.3);
}

.tooltip.visible {
    opacity: 1;
}

/* Modal */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.6);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 2000;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
    backdrop-filter: blur(4px);
}

.modal-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

.modal-content {
    background: var(--card-bg);
    color: var(--text-color);
    border: 3px solid var(--border-color);
    padding: 30px;
    max-width: 500px;
    width: 90%;
    box-shadow: 8px 8px 0px var(--border-color);
    position: relative;
    transform: translateY(20px);
    transition: transform 0.3s ease;
}

.modal-overlay.active .modal-content {
    transform: translateY(0);
}

.modal-close {
    position: absolute;
    top: 10px;
    right: 15px;
    background: none;
    border: none;
    font-size: 1.8rem;
    cursor: pointer;
    color: var(--text-color);
    transition: transform 0.2s ease;
}

.modal-close:hover {
    transform: scale(1.2);
}

#modal-title {
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 10px;
    margin-bottom: 15px;
}

#modal-body {
    font-size: 0.9rem;
    line-height: 1.6;
}

/* Responsive */
@media (max-width: 1200px) {
    .grid-container {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .grid-container {
        grid-template-columns: 1fr;
    }
    h1 {
        font-size: 1.4rem;
    }
    .header-controls {
        flex-direction: column;
    }
}