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

:root {
    --bg-color: #080c14;
    --card-bg: rgba(17, 24, 39, 0.7);
    --card-border: rgba(255, 255, 255, 0.06);
    
    --primary: #6366f1;
    --primary-light: #818cf8;
    --primary-gradient: linear-gradient(135deg, #6366f1 0%, #06b6d4 100%);
    --accent: #a855f7;
    --accent-gradient: linear-gradient(135deg, #a855f7 0%, #ec4899 100%);
    
    --text-main: #f8fafc;
    --text-muted: #64748b;
    --text-light: #94a3b8;
    
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --info: #0ea5e9;
    
    --sidebar-width: 260px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    background-color: var(--bg-color);
    background-image: 
        radial-gradient(at 0% 0%, rgba(99, 102, 241, 0.08) 0px, transparent 50%),
        radial-gradient(at 100% 0%, rgba(168, 85, 247, 0.05) 0px, transparent 50%),
        radial-gradient(at 50% 100%, rgba(6, 182, 212, 0.06) 0px, transparent 50%);
    background-attachment: fixed;
    color: var(--text-main);
    min-height: 100vh;
    display: flex;
    overflow-x: hidden;
}

/* Scrollbar Custom */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}
::-webkit-scrollbar-track {
    background: var(--bg-color);
}
::-webkit-scrollbar-thumb {
    background: #1e293b;
    border-radius: 10px;
}
::-webkit-scrollbar-thumb:hover {
    background: #334155;
}

/* LAYOUT STRUCT */
.app-container {
    display: flex;
    width: 100%;
    min-height: 100vh;
}

/* SIDEBAR SYSTEM */
.sidebar {
    width: var(--sidebar-width);
    background: rgba(13, 18, 30, 0.85);
    border-right: 1px solid var(--card-border);
    backdrop-filter: blur(20px);
    display: flex;
    flex-direction: column;
    position: fixed;
    height: 100vh;
    z-index: 100;
    transition: var(--transition);
}

.sidebar-logo {
    padding: 2rem 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    border-bottom: 1px solid var(--card-border);
}

.sidebar-logo-icon {
    font-size: 1.8rem;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.sidebar-logo-text {
    font-weight: 700;
    font-size: 1.25rem;
    letter-spacing: -0.5px;
    background: linear-gradient(to right, #fff, var(--text-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.sidebar-menu {
    list-style: none;
    padding: 1.5rem 1rem;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.sidebar-item a {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.85rem 1rem;
    color: var(--text-light);
    text-decoration: none;
    border-radius: 12px;
    font-weight: 500;
    transition: var(--transition);
    border: 1px solid transparent;
}

.sidebar-item a:hover, 
.sidebar-item.active a {
    color: white;
    background: rgba(99, 102, 241, 0.1);
    border-color: rgba(99, 102, 241, 0.15);
}

.sidebar-item.active a {
    background: var(--primary-gradient);
    border-color: transparent;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3);
}

.sidebar-item a .icon {
    font-size: 1.2rem;
    transition: var(--transition);
}

.sidebar-item a:hover .icon {
    transform: scale(1.15);
}

.sidebar-footer {
    padding: 1.5rem;
    border-top: 1px solid var(--card-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.user-info {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
    max-width: 140px;
}

.user-name {
    font-weight: 600;
    font-size: 0.9rem;
    color: white;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.user-role {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.logout-btn {
    color: var(--text-light);
    font-size: 1.2rem;
    text-decoration: none;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 8px;
    border: 1px solid var(--card-border);
    background: rgba(255, 255, 255, 0.02);
}

.logout-btn:hover {
    color: var(--danger);
    background: rgba(239, 68, 68, 0.1);
    border-color: rgba(239, 68, 68, 0.2);
}

/* MAIN CONTENT AREA */
.main-content {
    margin-left: var(--sidebar-width);
    flex-grow: 1;
    min-height: 100vh;
    padding: 2rem;
    display: flex;
    flex-direction: column;
    gap: 2rem;
    transition: var(--transition);
}

/* TOP HEADER */
.top-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--card-border);
    padding-bottom: 1.5rem;
}

.page-title h1 {
    font-size: 1.75rem;
    font-weight: 700;
    background: linear-gradient(to right, #fff, #cbd5e1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.page-title p {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-top: 0.25rem;
}

.action-bar {
    display: flex;
    gap: 1rem;
    align-items: center;
}

/* CARDS AND GRIDS */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.5rem;
}

.stat-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 16px;
    padding: 1.5rem;
    backdrop-filter: blur(10px);
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition);
}

.stat-card:hover {
    transform: translateY(-4px);
    border-color: rgba(99, 102, 241, 0.25);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.25);
}

.stat-info {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.stat-label {
    font-size: 0.85rem;
    color: var(--text-light);
    font-weight: 500;
}

.stat-value {
    font-size: 1.8rem;
    font-weight: 700;
    color: white;
}

.stat-icon-wrapper {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
}

.stat-icon-wrapper.primary {
    background: rgba(99, 102, 241, 0.15);
    color: var(--primary-light);
}

.stat-icon-wrapper.success {
    background: rgba(16, 185, 129, 0.15);
    color: var(--success);
}

.stat-icon-wrapper.accent {
    background: rgba(168, 85, 247, 0.15);
    color: #c084fc;
}

.stat-icon-wrapper.warning {
    background: rgba(245, 158, 11, 0.15);
    color: var(--warning);
}

/* CORE INTERFACES */
.content-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 16px;
    padding: 2rem;
    backdrop-filter: blur(10px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.content-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.content-card-title {
    font-size: 1.15rem;
    font-weight: 600;
    color: white;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* BUTTONS */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.65rem 1.25rem;
    border-radius: 10px;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    transition: var(--transition);
    border: 1px solid transparent;
}

.btn-primary {
    background: var(--primary-gradient);
    color: white;
}
.btn-primary:hover {
    box-shadow: 0 5px 15px rgba(99, 102, 241, 0.4);
    transform: translateY(-1px);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--card-border);
    color: var(--text-light);
}
.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    color: white;
}

.btn-danger {
    background: rgba(239, 68, 68, 0.15);
    border-color: rgba(239, 68, 68, 0.2);
    color: #fca5a5;
}
.btn-danger:hover {
    background: var(--danger);
    color: white;
}

.btn-success {
    background: rgba(16, 185, 129, 0.15);
    border-color: rgba(16, 185, 129, 0.2);
    color: #a7f3d0;
}
.btn-success:hover {
    background: var(--success);
    color: white;
}

.btn-sm {
    padding: 0.4rem 0.85rem;
    font-size: 0.8rem;
}

/* TABLES */
.table-container {
    overflow-x: auto;
    width: 100%;
}

.custom-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
}

.custom-table th {
    padding: 1rem;
    color: var(--text-light);
    font-weight: 600;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 2px solid var(--card-border);
}

.custom-table td {
    padding: 1rem;
    border-bottom: 1px solid var(--card-border);
    color: var(--text-main);
    font-size: 0.9rem;
    vertical-align: middle;
}

.custom-table tr:last-child td {
    border-bottom: none;
}

.custom-table tr:hover td {
    background: rgba(255, 255, 255, 0.02);
}

/* BADGES */
.badge {
    display: inline-flex;
    padding: 0.25rem 0.75rem;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.badge-success {
    background: rgba(16, 185, 129, 0.15);
    color: var(--success);
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.badge-warning {
    background: rgba(245, 158, 11, 0.15);
    color: var(--warning);
    border: 1px solid rgba(245, 158, 11, 0.2);
}

.badge-danger {
    background: rgba(239, 68, 68, 0.15);
    color: var(--danger);
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.badge-info {
    background: rgba(14, 165, 233, 0.15);
    color: var(--info);
    border: 1px solid rgba(14, 165, 233, 0.2);
}

.badge-secondary {
    background: rgba(148, 163, 184, 0.15);
    color: var(--text-light);
    border: 1px solid rgba(148, 163, 184, 0.2);
}

/* FORMS AND INPUTS */
.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-size: 0.85rem;
    color: var(--text-light);
    font-weight: 500;
}

.form-control {
    padding: 0.75rem 1rem;
    background: rgba(15, 23, 42, 0.6);
    border: 1px solid var(--card-border);
    border-radius: 10px;
    color: white;
    font-size: 0.9rem;
    transition: var(--transition);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 8px rgba(99, 102, 241, 0.2);
}

/* MODALS */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.75);
    backdrop-filter: blur(5px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    pointer-events: none;
    transition: var(--transition);
}

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

.modal-container {
    background: #0f172a;
    border: 1px solid var(--card-border);
    border-radius: 16px;
    width: 100%;
    max-width: 550px;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.5);
    transform: scale(0.95);
    transition: var(--transition);
}

.modal-overlay.active .modal-container {
    transform: scale(1);
}

.modal-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--card-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h3 {
    font-size: 1.2rem;
    font-weight: 600;
}

.modal-close {
    background: transparent;
    border: none;
    color: var(--text-light);
    font-size: 1.5rem;
    cursor: pointer;
    transition: var(--transition);
}

.modal-close:hover {
    color: white;
}

.modal-body {
    padding: 1.5rem;
}

.modal-footer {
    padding: 1.25rem 1.5rem;
    border-top: 1px solid var(--card-border);
    display: flex;
    justify-content: flex-end;
    gap: 1rem;
}

/* CRM KANBAN BOARD */
.kanban-board {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 1rem;
    align-items: start;
    min-height: 500px;
}

.kanban-column {
    background: rgba(15, 23, 42, 0.4);
    border: 1px solid var(--card-border);
    border-radius: 12px;
    padding: 1rem;
    min-height: 400px;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.kanban-column-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--card-border);
    padding-bottom: 0.5rem;
    margin-bottom: 0.25rem;
}

.kanban-column-title {
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.kanban-count {
    background: rgba(255, 255, 255, 0.05);
    padding: 0.15rem 0.5rem;
    border-radius: 20px;
    font-size: 0.75rem;
    color: var(--text-light);
}

.kanban-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 10px;
    padding: 1rem;
    cursor: grab;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    transition: var(--transition);
}

.kanban-card:hover {
    border-color: var(--primary);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.kanban-card:active {
    cursor: grabbing;
}

.kanban-card-title {
    font-weight: 600;
    font-size: 0.9rem;
    color: white;
}

.kanban-card-client {
    font-size: 0.8rem;
    color: var(--text-light);
}

.kanban-card-price {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--primary-light);
}

/* NOTIFICATION POPUP (Toast) */
.toast-container {
    position: fixed;
    top: 2rem;
    right: 2rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    z-index: 9999;
}

.toast {
    background: #0f172a;
    border-left: 4px solid var(--primary);
    border-top: 1px solid var(--card-border);
    border-right: 1px solid var(--card-border);
    border-bottom: 1px solid var(--card-border);
    padding: 1rem 1.5rem;
    border-radius: 8px;
    color: white;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
    animation: slideIn 0.3s ease-out;
}

@keyframes slideIn {
    from { transform: translateX(100%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

.toast.success { border-left-color: var(--success); }
.toast.danger { border-left-color: var(--danger); }
.toast.warning { border-left-color: var(--warning); }

/* AUTH/LOGIN CARD SCREEN */
.auth-wrapper {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    width: 100%;
}

.auth-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 20px;
    padding: 3rem;
    width: 100%;
    max-width: 440px;
    backdrop-filter: blur(16px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
    animation: fadeIn 0.5s ease-out;
}

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

.auth-logo {
    font-size: 2.5rem;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 0.5rem;
}

.auth-header h2 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.auth-header p {
    color: var(--text-light);
    font-size: 0.85rem;
}

/* RESPONSIVENESS */
@media (max-width: 1024px) {
    .kanban-board {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .sidebar {
        width: 70px;
    }
    .sidebar-logo-text, .user-info, .sidebar-logo-icon + span {
        display: none;
    }
    .main-content {
        margin-left: 70px;
        padding: 1rem;
    }
    .sidebar-item a {
        justify-content: center;
        padding: 0.85rem;
    }
}