:root {
    --bg-deep: #050505;
    --bg-card: #0c0d0f;
    --border-dim: #1a1a1a;
    --text-primary: #ffffff;
    --text-secondary: #808080;
    --brand-teal: #4fb7a0;
    --brand-teal-glow: rgba(79, 183, 160, 0.15);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Outfit', sans-serif;
}

body {
    background-color: var(--bg-deep);
    color: var(--text-primary);
    overflow-x: hidden;
}

header {
    padding: 30px 50px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-dim);
    background: rgba(5, 5, 5, 0.8);
    backdrop-filter: blur(20px);
    position: sticky;
    top: 0;
    z-index: 1000;
}

h1 {
    font-size: 1.5rem;
    font-weight: 900;
    letter-spacing: -1px;
    font-style: italic;
    text-transform: uppercase;
}

h1 span {
    color: var(--brand-teal);
    text-shadow: 0 0 20px var(--brand-teal-glow);
}

.sync-badge {
    font-size: 10px;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--brand-teal);
    margin-top: 5px;
}

.header-stats {
    display: flex;
    gap: 40px;
}

.stat {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.stat-value {
    font-size: 1.8rem;
    font-weight: 900;
    font-style: italic;
    line-height: 1;
}

.stat-label {
    font-size: 10px;
    text-transform: uppercase;
    font-weight: 800;
    letter-spacing: 1px;
    color: var(--text-secondary);
}

.header-actions {
    display: flex;
    gap: 15px;
}

button {
    padding: 12px 24px;
    border-radius: 12px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 12px;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    border: none;
}

#add-idea-btn {
    background-color: var(--brand-teal);
    color: #000;
}

#add-idea-btn:hover {
    transform: scale(1.05);
    box-shadow: 0 0 30px var(--brand-teal-glow);
}

.btn-secondary {
    background: transparent;
    border: 1px solid var(--border-dim);
    color: #fff;
}

.btn-secondary:hover {
    background: var(--border-dim);
}

.board {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
    padding: 40px 50px;
    align-items: flex-start;
}

.column h2 {
    font-size: 12px;
    text-transform: uppercase;
    font-weight: 900;
    letter-spacing: 3px;
    color: var(--text-secondary);
    margin-bottom: 25px;
    display: flex;
    justify-content: space-between;
}

.column-count {
    color: var(--brand-teal);
}

.card-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
    min-height: 200px;
}

.card {
    background: var(--bg-card);
    border: 1px solid var(--border-dim);
    padding: 20px;
    border-radius: 20px;
    transition: all 0.3s ease;
    cursor: pointer;
}

.card:hover {
    border-color: var(--brand-teal);
    transform: translateY(-5px);
    background: rgba(79, 183, 160, 0.05);
}

.card h3 {
    font-size: 1.1rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 10px;
}

.card-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 15px;
}

.tag {
    font-size: 9px;
    font-weight: 900;
    text-transform: uppercase;
    padding: 4px 10px;
    border-radius: 6px;
    background: rgba(255,255,255,0.05);
    color: var(--text-secondary);
}

.date {
    font-size: 10px;
    font-weight: 700;
    color: var(--text-secondary);
}

/* Modals */
.modal {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.8);
    backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    padding: 20px;
}

.modal-content {
    background: var(--bg-card);
    border: 1px solid var(--border-dim);
    width: 100%;
    max-width: 500px;
    border-radius: 32px;
    padding: 40px;
    position: relative;
}

.modal-large {
    max-width: 800px;
}

.close {
    position: absolute;
    top: 25px;
    right: 25px;
    font-size: 30px;
    cursor: pointer;
    color: var(--text-secondary);
}

.hidden {
    display: none;
}

form {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

label {
    font-size: 10px;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-secondary);
}

input, select, textarea {
    background: rgba(255,255,255,0.03);
    border: 1px solid var(--border-dim);
    padding: 15px;
    border-radius: 12px;
    color: #fff;
    font-size: 14px;
    font-weight: 600;
}

input:focus, textarea:focus {
    outline: none;
    border-color: var(--brand-teal);
}

@media (max-width: 1200px) {
    .board { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 600px) {
    .board { grid-template-columns: 1fr; padding: 20px; }
    header { padding: 20px; flex-direction: column; gap: 20px; }
    .header-stats { gap: 20px; }
}