/* CSS Variables & Reset */
:root {
    --bg-dark: #0f172a;
    /* Darker Slate */
    --bg-panel: rgba(30, 41, 59, 0.7);
    /* Slate 800 with opacity */
    --bg-card: rgba(51, 65, 85, 0.7);
    /* Slate 700 */
    --bg-card-hover: rgba(71, 85, 105, 0.8);
    --primary: #4ade80;
    /* Green 400 */
    --primary-hover: #22c55e;
    --secondary: #94a3b8;
    --text-primary: #f1f5f9;
    --text-secondary: #cbd5e1;
    --border: rgba(255, 255, 255, 0.1);
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -1px rgba(0, 0, 0, 0.1);
    --radius-lg: 12px;
    --radius-md: 8px;
    --font-main: 'Inter', sans-serif;

    /* Kanban Stages Colors */
    --clr-blue: #3b82f6;
    --clr-indigo: #6366f1;
    --clr-purple: #a855f7;
    --clr-pink: #ec4899;
    --clr-orange: #f97316;
    --clr-yellow: #eab308;
    --clr-teal: #14b8a6;
    --clr-cyan: #06b6d4;
    --clr-green: #22c55e;
    --clr-light-green: #84cc16;
}

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

body {
    background-color: var(--bg-dark);
    color: var(--text-primary);
    font-family: var(--font-main);
    height: 100vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

/* Glassmorphism Utilities */
.glass-panel {
    background: var(--bg-panel);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
}

.glass-input {
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border);
    color: var(--text-primary);
    border-radius: var(--radius-md);
    padding: 0.5rem;
    outline: none;
}

/* Auth Screen */
.auth-container {
    padding: 2rem;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    width: 100%;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 1000;
    background: radial-gradient(circle at center, #1e293b 0%, #0f172a 100%);
}

.auth-box {
    width: 100%;
    max-width: 400px;
    padding: 2.5rem;
    text-align: center;
}

.logo-text {
    font-size: 1.75rem;
    font-weight: 700;
    background: linear-gradient(90deg, #fff, #94a3b8);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 0.5rem;
}

.subtitle {
    color: var(--text-secondary);
    margin-bottom: 2rem;
    font-size: 0.9rem;
}

.auth-tabs {
    display: flex;
    margin-bottom: 1.5rem;
    border-bottom: 1px solid var(--border);
}

.auth-tabs button {
    flex: 1;
    background: none;
    border: none;
    padding: 0.75rem;
    color: var(--text-secondary);
    cursor: pointer;
    font-weight: 500;
    position: relative;
    transition: color 0.3s;
}

.auth-tabs button.active {
    color: var(--primary);
}

.auth-tabs button.active::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--primary);
}

.input-group {
    position: relative;
    margin-bottom: 1rem;
}

.input-group span {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-secondary);
    font-size: 1.25rem;
}

.input-group input {
    width: 100%;
    padding: 0.75rem 1rem 0.75rem 3rem;
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    color: #fff;
    outline: none;
    transition: border-color 0.3s;
}

.input-group input:focus {
    border-color: var(--primary);
}

.btn-primary {
    width: 100%;
    padding: 0.85rem;
    background: var(--primary);
    color: #000;
    border: none;
    border-radius: var(--radius-md);
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s, background 0.3s;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
}

.btn-primary:active {
    transform: scale(0.98);
}

.auth-footer {
    margin-top: 1.5rem;
    font-size: 0.75rem;
    color: var(--text-secondary);
    opacity: 0.7;
}

/* App Layout: Sidebar + Main */
#app-container {
    display: flex;
    flex-direction: row;
    /* Horizontal layout */
    height: 100vh;
    background-image: radial-gradient(circle at top right, #1e293b 0%, #0f172a 60%);
}

.sidebar {
    width: 260px;
    height: 100vh;
    display: flex;
    flex-direction: column;
    padding: 1.5rem 1rem;
    border-right: 1px solid var(--border);
    border-radius: 0;
    /* Override glass-panel radius */
    flex-shrink: 0;
}

.sidebar-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 2rem;
    padding-left: 0.5rem;
}

.sidebar-header .logo-icon {
    font-size: 1.75rem;
    color: var(--primary);
}

.sidebar-header .logo-text {
    font-size: 1.25rem;
    margin: 0;
}

.sidebar-nav {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    flex: 1;
    overflow-y: auto;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-family: inherit;
    font-size: 0.95rem;
    cursor: pointer;
    border-radius: var(--radius-md);
    text-align: left;
    transition: 0.2s;
}

.nav-item:hover,
.nav-item.active {
    background: rgba(255, 255, 255, 0.08);
    color: #fff;
}

.nav-item.active {
    border-left: 3px solid var(--primary);
    background: linear-gradient(90deg, rgba(74, 222, 128, 0.1), transparent);
}

.nav-divider {
    font-size: 0.75rem;
    text-transform: uppercase;
    color: var(--text-secondary);
    opacity: 0.5;
    margin: 1rem 0 0.5rem 0.5rem;
    letter-spacing: 1px;
}

/* Main Content Area */
.main-content-area {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    padding: 1rem 2rem;
    gap: 1rem;
}

.top-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.5rem;
    border-radius: var(--radius-lg);
    flex-shrink: 0;
}

.top-header h2 {
    font-size: 1.25rem;
    font-weight: 600;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.user-profile {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.avatar {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, var(--primary), var(--clr-teal));
    color: #000;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.9rem;
}

/* Module Container */
#module-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    gap: 1rem;
}

.controls-bar {
    display: flex;
    gap: 1rem;
    align-items: center;
    flex-shrink: 0;
}

.pipeline-selector {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-right: auto;
}

.pipeline-selector label {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.view-switcher button {
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border);
    color: var(--text-secondary);
    padding: 0.6rem;
    cursor: pointer;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
}

.view-switcher button.active {
    background: var(--primary);
    color: #000;
    border-color: var(--primary);
}

.stats-bar {
    display: flex;
    gap: 1rem;
}

.stat-item {
    padding: 0.75rem 1.5rem;
    min-width: 140px;
    border-left: 3px solid var(--primary);
}

.stat-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    color: var(--text-secondary);
}

.stat-value {
    font-size: 1.25rem;
    font-weight: 700;
    color: #fff;
    margin-top: 0.25rem;
    display: block;
}

/* Kanban */
.view-section {
    flex: 1;
    overflow: hidden;
}

.kanban-board {
    display: flex;
    gap: 1rem;
    height: 100%;
    overflow-x: auto;
    padding-bottom: 1rem;
}

.kanban-column {
    flex: 0 0 280px;
    display: flex;
    flex-direction: column;
    background: rgba(15, 23, 42, 0.6);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.column-header {
    padding: 1rem;
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header-title {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.header-title h3 {
    font-size: 0.9rem;
    font-weight: 600;
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #ccc;
    box-shadow: 0 0 6px currentColor;
}

/* Dot colors generated via vars */
.status-dot.blue {
    color: var(--clr-blue);
    background: var(--clr-blue);
    box-shadow: 0 0 6px var(--clr-blue);
}

.status-dot.indigo {
    color: var(--clr-indigo);
    background: var(--clr-indigo);
    box-shadow: 0 0 6px var(--clr-indigo);
}

.status-dot.purple {
    color: var(--clr-purple);
    background: var(--clr-purple);
    box-shadow: 0 0 6px var(--clr-purple);
}

.status-dot.pink {
    color: var(--clr-pink);
    background: var(--clr-pink);
    box-shadow: 0 0 6px var(--clr-pink);
}

.status-dot.orange {
    color: var(--clr-orange);
    background: var(--clr-orange);
    box-shadow: 0 0 6px var(--clr-orange);
}

.status-dot.yellow {
    color: var(--clr-yellow);
    background: var(--clr-yellow);
    box-shadow: 0 0 6px var(--clr-yellow);
}

.status-dot.teal {
    color: var(--clr-teal);
    background: var(--clr-teal);
    box-shadow: 0 0 6px var(--clr-teal);
}

.status-dot.cyan {
    color: var(--clr-cyan);
    background: var(--clr-cyan);
    box-shadow: 0 0 6px var(--clr-cyan);
}

.status-dot.green {
    color: var(--clr-green);
    background: var(--clr-green);
    box-shadow: 0 0 6px var(--clr-green);
}

.status-dot.light-green {
    color: var(--clr-light-green);
    background: var(--clr-light-green);
    box-shadow: 0 0 6px var(--clr-light-green);
}


.count-badge {
    background: rgba(255, 255, 255, 0.1);
    font-size: 0.7rem;
    padding: 2px 6px;
    border-radius: 10px;
}

.column-content {
    flex: 1;
    overflow-y: auto;
    padding: 0.75rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    min-height: 100px;
}

/* Cards */
.deal-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 0.85rem;
    cursor: grab;
    transition: 0.2s;
    user-select: none;
}

.deal-card:hover {
    background: var(--bg-card-hover);
    transform: translateY(-2px);
    border-color: rgba(255, 255, 255, 0.2);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.deal-card.dragging {
    opacity: 0.5;
    border: 1px dashed var(--primary);
    cursor: grabbing;
}

.card-top {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.5rem;
}

.card-price {
    font-weight: 700;
    color: #fff;
    font-size: 0.95rem;
}

.card-address {
    font-size: 0.9rem;
    margin-bottom: 0.4rem;
    line-height: 1.3;
}

.card-owner {
    font-size: 0.8rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.card-tags {
    margin-top: 0.5rem;
    display: flex;
    flex-wrap: wrap;
    gap: 0.25rem;
}

.tag-mini {
    font-size: 0.65rem;
    background: rgba(255, 255, 255, 0.1);
    padding: 2px 4px;
    border-radius: 4px;
    color: var(--text-secondary);
}

/* Lists */
.table-container {
    height: 100%;
    overflow: auto;
}

.deals-table {
    width: 100%;
    border-collapse: collapse;
}

.deals-table th,
.deals-table td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid var(--border);
}

.deals-table th {
    background: rgba(30, 41, 59, 1);
    position: sticky;
    top: 0;
}

/* Modals */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 2000;
}

.modal.active {
    display: flex;
}

.modal-content {
    background: #1e293b;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    width: 90%;
    max-width: 600px;
    padding: 2rem;
    max-height: 90vh;
    overflow-y: auto;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 1.5rem;
}

.form-section-title {
    font-size: 0.75rem;
    text-transform: uppercase;
    color: var(--primary);
    margin: 1.5rem 0 0.5rem 0;
    letter-spacing: 0.5px;
    border-bottom: 1px solid var(--border);
    padding-bottom: 0.25rem;
}

.form-group {
    margin-bottom: 1rem;
}

.form-row {
    display: flex;
    gap: 1rem;
}

.form-row .form-group {
    flex: 1;
}

.form-group label {
    display: block;
    margin-bottom: 0.4rem;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.6rem;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    color: #fff;
    font-family: inherit;
}

.modal-actions {
    margin-top: 2rem;
    display: flex;
    justify-content: flex-end;
    gap: 1rem;
}

/* Footer */
.app-footer {
    padding: 0.5rem;
    text-align: center;
    font-size: 0.75rem;
    color: var(--text-secondary);
    border-top: 1px solid var(--border);
    margin-top: auto;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 0.25rem;
}