/* LEAF DSS - Stylesheet */
/* IWMI Brand Colors */

:root {
    /* Primary Colors */
    --iwmi-dark-blue: #28537D;
    --iwmi-light-blue: #5088C6;
    --iwmi-sky-blue: #46BBD4;

    /* Secondary Colors */
    --iwmi-teal: #0297A6;
    --iwmi-green: #22AD7A;
    --iwmi-orange: #E86933;
    --iwmi-yellow: #DD9103;
    --iwmi-light-grey: #E8E7E7;

    /* Feasibility Colors */
    --feas-very-high: #1b5e20;
    --feas-high: #81c784;
    --feas-moderate-high: #c5e1a5;
    --feas-moderate: #ffd700;
    --feas-low: #ff8c00;
    --feas-very-low: #ff0000;
    --feas-no-data: #E0E0E0;

    /* Layout */
    --header-height: 90px;
    --filter-bar-height: 60px;
    --footer-height: 40px;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: linear-gradient(135deg, #28537D 0%, #0297A6 35%, #22AD7A 70%, #46BBD4 100%);
    color: #333;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Header */
.header {
    background: white;
    height: var(--header-height);
    padding: 0 2rem;
    display: flex;
    align-items: center;
    box-shadow: 0 2px 10px rgba(0,0,0,0.08);
    border-bottom: 3px solid var(--iwmi-teal);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    max-width: 1800px;
    margin: 0 auto;
}

.logo-section {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.header-nav-link {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    color: var(--iwmi-dark-blue);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    padding: 0.45rem 0.9rem;
    border: 1px solid var(--iwmi-light-grey);
    border-radius: 6px;
    transition: background 0.2s, color 0.2s;
}

.header-nav-link:hover {
    background: var(--iwmi-teal);
    color: white;
    border-color: var(--iwmi-teal);
}

.logo {
    height: 45px;
    width: auto;
}

.giz-logo {
    height: 70px;
}

.title-section h1 {
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0;
    color: var(--iwmi-dark-blue);
}

.title-section p {
    font-size: 0.85rem;
    margin: 0;
    color: var(--iwmi-teal);
}

/* Filter Bar */
.filter-bar {
    background: white;
    padding: 1rem 2rem;
    display: flex;
    justify-content: center;
    align-items: flex-end;
    gap: 2rem;
    border-bottom: 1px solid var(--iwmi-light-grey);
    flex-wrap: wrap;
}

.filter-group {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
}

.filter-group label {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--iwmi-dark-blue);
    text-transform: uppercase;
}

.filter-group select {
    padding: 0.5rem 1rem;
    border: 1px solid var(--iwmi-light-grey);
    border-radius: 6px;
    font-size: 0.9rem;
    min-width: 200px;
    cursor: pointer;
}

.filter-group select:focus {
    outline: none;
    border-color: var(--iwmi-teal);
}

/* Level Toggle (Block/GP) */
.level-toggle {
    display: flex;
    border: 2px solid var(--iwmi-dark-blue);
    border-radius: 6px;
    overflow: hidden;
}

.level-btn {
    padding: 0.5rem 1rem;
    border: none;
    background: white;
    cursor: pointer;
    font-size: 0.85rem;
    font-weight: 600;
    transition: all 0.2s;
    color: var(--iwmi-dark-blue);
}

.level-btn.active {
    background: var(--iwmi-dark-blue);
    color: white;
}

.level-btn:hover:not(.active) {
    background: var(--iwmi-light-grey);
}

.level-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-primary {
    padding: 0.5rem 1.5rem;
    background: #0297A6 !important;
    color: white;
    border: none;
    border-radius: 6px;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s;
}

.btn-primary:hover {
    background: #28537D !important;
}

.btn-secondary {
    padding: 0.5rem 1.5rem;
    background: white;
    color: var(--iwmi-dark-blue);
    border: 1px solid var(--iwmi-light-grey);
    border-radius: 6px;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s;
}

.btn-secondary:hover {
    background: var(--iwmi-light-grey);
}