/* ========================================
   SolarLead Intelligence — Global Stylesheet
   Design System: Material Design 3 tokens
   ======================================== */

/* --- CSS Custom Properties --- */
:root {
    --sl-primary: #002045;
    --sl-primary-container: #1a365d;
    --sl-on-primary: #ffffff;
    --sl-on-primary-container: #86a0cd;
    --sl-secondary: #7c5800;
    --sl-secondary-container: #fcb812;
    --sl-on-secondary-container: #6a4b00;
    --sl-tertiary: #4b0005;
    --sl-tertiary-container: #73000c;
    --sl-on-tertiary-container: #ff736c;
    --sl-surface: #f9f9ff;
    --sl-surface-container-low: #f0f3ff;
    --sl-surface-container: #e7eeff;
    --sl-surface-container-high: #dee8ff;
    --sl-surface-container-highest: #d8e3fa;
    --sl-surface-container-lowest: #ffffff;
    --sl-on-surface: #111c2c;
    --sl-on-surface-variant: #43474e;
    --sl-outline: #74777f;
    --sl-outline-variant: #c4c6cf;
    --sl-error: #ba1a1a;
    --sl-sidebar-width: 16rem;
    --sl-topbar-height: 4rem;
    --sl-font-body: 'Inter', sans-serif;
    --sl-font-headline: 'Manrope', sans-serif;
}

/* --- Reset & Base --- */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    -webkit-text-size-adjust: 100%;
    scroll-behavior: smooth;
}

body {
    font-family: var(--sl-font-body);
    line-height: 1.6;
    color: var(--sl-on-surface);
    background-color: var(--sl-surface);
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--sl-font-headline);
}

a {
    color: inherit;
    text-decoration: none;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

button {
    cursor: pointer;
    font-family: inherit;
    border: none;
    background: none;
}

input, select, textarea {
    font-family: inherit;
}

/* --- Material Symbols --- */
.material-symbols-outlined {
    font-variation-settings: 'FILL' 0, 'wght' 400, 'GRAD' 0, 'opsz' 24;
    vertical-align: middle;
}

/* --- Glass Panel Utility --- */
.glass-panel {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

/* ========================================
   Sidebar
   ======================================== */
.sl-sidebar {
    position: fixed;
    left: 0;
    top: 0;
    width: var(--sl-sidebar-width);
    height: 100vh;
    overflow-y: auto;
    overflow-x: hidden;
    background-color: var(--sl-surface-container-highest);
    display: flex;
    flex-direction: column;
    padding: 1.5rem 1rem;
    font-family: var(--sl-font-headline);
    letter-spacing: -0.01em;
    z-index: 50;
}

.sl-sidebar-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0 0.5rem;
    margin-bottom: 2.5rem;
}

.sl-sidebar-logo-icon {
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    flex-shrink: 0;
}

.sl-sidebar-logo-icon img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.sl-sidebar-logo-text .sl-brand {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--sl-primary);
    line-height: 1.2;
}

.sl-sidebar-logo-text .sl-subbrand {
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--sl-on-surface-variant);
    font-weight: 800;
    opacity: 0.7;
}

/* Sidebar Navigation */
.sl-sidebar-nav {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.sl-nav-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--sl-on-surface-variant);
    border-radius: 0.5rem;
    transition: background-color 0.2s ease, color 0.2s ease;
}

.sl-nav-link:hover {
    background-color: var(--sl-surface-container-low);
}

.sl-nav-link.active {
    color: var(--sl-primary);
    font-weight: 700;
    background-color: rgba(240, 243, 255, 0.5);
    border-right: 4px solid var(--sl-secondary-container);
}

.sl-nav-link:active {
    transform: scale(0.98);
}

/* Sidebar CTA */
.sl-sidebar-cta {
    margin-top: auto;
}

.sl-btn-primary {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 1rem;
    background-color: var(--sl-primary);
    color: var(--sl-on-primary);
    border-radius: 0.75rem;
    font-weight: 700;
    font-size: 0.875rem;
    box-shadow: 0 10px 15px -3px rgba(0, 32, 69, 0.2);
    transition: filter 0.15s ease, transform 0.1s ease;
}

.sl-btn-primary:hover {
    filter: brightness(1.1);
}

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

/* ========================================
   Top Navigation Bar
   ======================================== */
.sl-topbar {
    position: fixed;
    top: 0;
    right: 0;
    width: calc(100% - var(--sl-sidebar-width));
    height: var(--sl-topbar-height);
    z-index: 40;
    background-color: rgba(249, 249, 255, 0.8);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 2rem;
    font-family: var(--sl-font-headline);
    font-size: 0.875rem;
    font-weight: 600;
}

.sl-topbar-search {
    position: relative;
    width: 100%;
    max-width: 28rem;
}

.sl-topbar-search .material-symbols-outlined {
    position: absolute;
    left: 0.75rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--sl-on-surface-variant);
    font-size: 1.125rem;
}

.sl-topbar-search input {
    width: 100%;
    background-color: var(--sl-surface-container-low);
    border: none;
    border-radius: 0.5rem;
    padding: 0.5rem 1rem 0.5rem 2.5rem;
    color: var(--sl-on-surface);
    font-size: 0.875rem;
    outline: none;
    transition: box-shadow 0.2s ease;
}

.sl-topbar-search input::placeholder {
    color: var(--sl-on-surface-variant);
    opacity: 0.5;
}

.sl-topbar-search input:focus {
    box-shadow: 0 0 0 2px var(--sl-secondary-container);
}

.sl-topbar-actions {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    color: var(--sl-on-surface-variant);
}

.sl-topbar-actions button {
    color: inherit;
    transition: color 0.15s ease;
}

.sl-topbar-actions button:hover {
    color: var(--sl-primary);
}

.sl-notification-btn {
    position: relative;
}

.sl-notification-dot {
    position: absolute;
    top: 0;
    right: 0;
    width: 0.5rem;
    height: 0.5rem;
    background-color: var(--sl-error);
    border-radius: 50%;
}

.sl-user-profile {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    border-left: 1px solid rgba(196, 198, 207, 0.2);
    padding-left: 1.5rem;
}

.sl-user-info {
    text-align: right;
}

.sl-user-info .sl-user-name {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--sl-primary);
}

.sl-user-info .sl-user-role {
    font-size: 10px;
    color: var(--sl-on-surface-variant);
}

.sl-user-avatar {
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 50%;
    background-color: var(--sl-surface-container-highest);
    overflow: hidden;
    flex-shrink: 0;
}

.sl-user-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.sl-user-avatar-initials {
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 50%;
    background-color: var(--sl-primary-container);
    color: var(--sl-on-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.75rem;
}

/* ========================================
   Main Content Area
   ======================================== */
.sl-main {
    margin-left: var(--sl-sidebar-width);
    padding-top: calc(var(--sl-topbar-height) + 2rem);
    padding-bottom: 3rem;
    padding-left: 2rem;
    padding-right: 2rem;
    min-height: 100vh;
}

/* ========================================
   Page Header
   ======================================== */
.sl-page-header {
    margin-bottom: 2.5rem;
}

.sl-page-header h1 {
    font-size: 2.25rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    color: var(--sl-primary);
    margin-bottom: 0.5rem;
}

.sl-page-header p {
    color: var(--sl-on-surface-variant);
    font-weight: 500;
}

/* ========================================
   Utility Classes (non-Tailwind fallbacks)
   ======================================== */
.sl-card {
    background-color: var(--sl-surface-container-low);
    border-radius: 0.75rem;
    overflow: hidden;
}

.sl-card-white {
    background-color: var(--sl-surface-container-lowest);
    border-radius: 0.75rem;
    border: 1px solid rgba(196, 198, 207, 0.1);
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
}

/* ========================================
   Badge / Chips
   ======================================== */
.sl-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.25rem 0.5rem;
    border-radius: 0.25rem;
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.02em;
}

.sl-badge-flux1 {
    background-color: rgba(0, 32, 69, 0.1);
    color: var(--sl-primary);
}

.sl-badge-flux2 {
    background-color: var(--sl-surface-variant);
    color: var(--sl-on-surface-variant);
}

.sl-badge-flux3 {
    background-color: rgba(115, 0, 12, 0.1);
    color: var(--sl-tertiary);
}

.sl-badge-urgent {
    background-color: var(--sl-error);
    color: #ffffff;
    font-weight: 900;
    letter-spacing: -0.02em;
}

/* ========================================
   Table Styles
   ======================================== */
.sl-table {
    width: 100%;
    text-align: left;
    border-collapse: collapse;
}

.sl-table thead tr {
    background-color: rgba(222, 232, 255, 0.5);
}

.sl-table th {
    padding: 1rem 1.5rem;
    font-size: 11px;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--sl-on-surface-variant);
}

.sl-table tbody tr {
    transition: background-color 0.15s ease;
}

.sl-table tbody tr:hover {
    background-color: rgba(216, 227, 250, 0.3);
}

.sl-table td {
    padding: 1rem 1.5rem;
}

.sl-table tbody tr + tr {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* ========================================
   Score Badge
   ======================================== */
.sl-score {
    display: inline-block;
    padding: 0.25rem 0.5rem;
    background-color: var(--sl-secondary-container);
    color: var(--sl-on-secondary-container);
    font-size: 0.75rem;
    font-weight: 900;
    border-radius: 0.25rem;
}

/* ========================================
   Responsive
   ======================================== */
@media (max-width: 1024px) {
    .sl-sidebar {
        transform: translateX(-100%);
        transition: transform 0.3s ease;
    }

    .sl-sidebar.is-open {
        transform: translateX(0);
    }

    .sl-topbar {
        width: 100%;
    }

    .sl-main {
        margin-left: 0;
    }

    .sl-user-info {
        display: none;
    }
}