/* =====================================================
   Handover Pack Portal - Styles
   Renewable / Green colour scheme
   ===================================================== */

:root {
    --color-primary: #16a34a;
    --color-primary-dark: #15803d;
    --color-primary-light: #dcfce7;
    --color-bg: #ffffff;
    --color-white: #ffffff;
    --color-text: #1f2937;
    --color-text-light: #6b7280;
    --color-border: #d1d5db;
    --color-error: #dc2626;
    --color-error-bg: #fef2f2;
    --color-success: #059669;
    --radius: 8px;
    --shadow: 0 1px 3px rgba(0,0,0,0.1), 0 1px 2px rgba(0,0,0,0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -2px rgba(0,0,0,0.05);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    color: var(--color-text);
    background: var(--color-bg);
    line-height: 1.6;
    min-height: 100vh;
}

a {
    color: var(--color-primary);
    text-decoration: none;
}
a:hover {
    text-decoration: underline;
}

.container {
    max-width: 960px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ---- Uppercase for names, addresses, file names ---- */
.company-info h1,
.company-address,
.project-details p,
.file-name {
    text-transform: uppercase;
}

/* ---- Buttons ---- */
.btn {
    display: inline-block;
    padding: 10px 20px;
    border: none;
    border-radius: var(--radius);
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    text-align: center;
    transition: background 0.2s, box-shadow 0.2s;
    text-decoration: none;
}

.btn-primary {
    background: var(--color-primary);
    color: var(--color-white);
}
.btn-primary:hover {
    background: var(--color-primary-dark);
    text-decoration: none;
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--color-primary);
    color: var(--color-primary);
}
.btn-outline:hover {
    background: var(--color-primary);
    color: var(--color-white);
    text-decoration: none;
}

.btn-block {
    display: block;
    width: 100%;
}

.btn-sm {
    padding: 6px 14px;
    font-size: 13px;
}

.btn-download {
    background: var(--color-primary);
    color: var(--color-white);
}
.btn-download:hover {
    background: var(--color-primary-dark);
    text-decoration: none;
}

.btn-doc {
    margin: 4px;
}

/* ---- Alerts ---- */
.alert {
    padding: 12px 16px;
    border-radius: var(--radius);
    margin-bottom: 20px;
    font-size: 14px;
}
.alert-error {
    background: var(--color-error-bg);
    color: var(--color-error);
    border: 1px solid #fecaca;
}

/* =====================================================
   Login Page
   ===================================================== */
.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 20px;
    background: url('/assets/img/loginbackground.jpg') no-repeat center center / cover;
    position: relative;
}
.login-page::before {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.45);
}

.login-container {
    position: relative;
    z-index: 1;
    background: rgba(255, 255, 255, 0.95);
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    padding: 40px;
    width: 100%;
    max-width: 420px;
    backdrop-filter: blur(4px);
}

.login-header {
    text-align: center;
    margin-bottom: 28px;
}
.login-header h1 {
    font-size: 24px;
    margin-bottom: 4px;
    color: var(--color-primary-dark);
}
.login-header p {
    color: var(--color-text-light);
    font-size: 14px;
}

/* ---- Auth Tabs ---- */
.direct-hint {
    color: var(--color-text-light);
    font-size: 14px;
    text-align: center;
    margin-bottom: 20px;
}

.auth-tabs {
    display: flex;
    border-bottom: 2px solid var(--color-border);
    margin-bottom: 24px;
}
.tab-btn {
    flex: 1;
    padding: 10px;
    background: none;
    border: none;
    font-size: 15px;
    font-weight: 600;
    color: var(--color-text-light);
    cursor: pointer;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    transition: color 0.2s, border-color 0.2s;
}
.tab-btn.active {
    color: var(--color-primary);
    border-bottom-color: var(--color-primary);
}
.tab-btn:hover {
    color: var(--color-text);
}

/* ---- Forms ---- */
.form-group {
    margin-bottom: 18px;
}
.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 6px;
    color: var(--color-text);
}
.form-group input[type="text"],
.form-group input[type="password"] {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    font-size: 15px;
    outline: none;
    transition: border-color 0.2s;
}
.form-group input:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(22, 163, 74, 0.15);
}

.auth-form .btn {
    margin-top: 8px;
}

/* =====================================================
   Portal Page
   ===================================================== */

/* ---- Header ---- */
.portal-header {
    background: var(--color-white);
    border-bottom: 3px solid var(--color-primary);
    box-shadow: var(--shadow);
}

.header-inner {
    max-width: 960px;
    margin: 0 auto;
    padding: 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    flex-wrap: wrap;
}

.header-brand {
    display: flex;
    align-items: center;
    gap: 16px;
}

.company-logo {
    max-height: 80px;
    max-width: 300px;
    object-fit: contain;
}

.company-info h1 {
    font-size: 20px;
    line-height: 1.3;
    color: var(--color-primary-dark);
}

.company-address {
    font-size: 13px;
    color: var(--color-text-light);
    margin-top: 2px;
}

.header-contact {
    text-align: right;
    font-size: 13px;
}
.header-contact p {
    margin: 2px 0;
}
.header-contact a {
    color: var(--color-text);
}

/* ---- Main Content ---- */
.portal-main {
    padding: 32px 0;
}

.project-info {
    margin-bottom: 32px;
}
.project-info h2 {
    font-size: 22px;
    margin-bottom: 12px;
    color: var(--color-primary-dark);
}
.project-details {
    background: var(--color-white);
    border-radius: var(--radius);
    padding: 20px;
    box-shadow: var(--shadow);
}
.project-details p {
    margin: 4px 0;
    font-size: 14px;
}

/* ---- Full Pack Card ---- */
.pack-download {
    margin-bottom: 32px;
}
.pack-card {
    display: flex;
    align-items: center;
    gap: 20px;
    background: var(--color-white);
    border-radius: var(--radius);
    padding: 24px;
    box-shadow: var(--shadow);
    border-left: 4px solid var(--color-primary);
}
.pack-card-icon {
    color: var(--color-primary);
    flex-shrink: 0;
}
.pack-card-body h3 {
    font-size: 18px;
    margin-bottom: 4px;
}
.pack-card-body p {
    color: var(--color-text-light);
    font-size: 14px;
    margin-bottom: 12px;
}

/* ---- File List ---- */
.file-list {
    margin-bottom: 32px;
}
.file-list h3 {
    font-size: 18px;
    margin-bottom: 16px;
    color: var(--color-primary-dark);
}

.no-files {
    color: var(--color-text-light);
    font-style: italic;
}

.files-table-wrap {
    background: var(--color-white);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    overflow-x: auto;
}

.files-table {
    width: 100%;
    border-collapse: collapse;
}
.files-table th,
.files-table td {
    padding: 12px 16px;
    text-align: left;
    font-size: 14px;
    border-bottom: 1px solid var(--color-border);
}
.files-table th {
    background: var(--color-primary-light);
    font-weight: 600;
    color: var(--color-primary-dark);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}
.files-table tbody tr:last-child td {
    border-bottom: none;
}
.files-table tbody tr:hover {
    background: var(--color-primary-light);
}
.file-name {
    font-weight: 500;
}
.file-type {
    color: var(--color-text-light);
}
.file-action {
    text-align: right;
    white-space: nowrap;
}

/* ---- PDF Viewer Modal ---- */
.pdf-modal {
    position: fixed;
    inset: 0;
    z-index: 9999;
    background: rgba(0, 0, 0, 0.6);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 20px;
}
.pdf-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    max-width: 1000px;
    background: var(--color-primary-dark);
    color: var(--color-white);
    padding: 12px 20px;
    border-radius: var(--radius) var(--radius) 0 0;
    font-weight: 600;
    font-size: 15px;
    text-transform: uppercase;
}
.pdf-modal-actions {
    display: flex;
    gap: 8px;
    align-items: center;
}
.pdf-modal-actions .btn-primary {
    background: var(--color-white);
    color: var(--color-primary-dark);
}
.pdf-modal-actions .btn-primary:hover {
    background: var(--color-primary-light);
}
.btn-close-modal {
    background: transparent;
    color: var(--color-white);
    font-size: 22px;
    line-height: 1;
    padding: 4px 10px;
    border: 1px solid rgba(255,255,255,0.3);
    border-radius: var(--radius);
    cursor: pointer;
}
.btn-close-modal:hover {
    background: rgba(255,255,255,0.15);
}
.pdf-modal-body {
    width: 100%;
    max-width: 1000px;
    flex: 1;
    max-height: calc(100vh - 120px);
    background: var(--color-white);
    border-radius: 0 0 var(--radius) var(--radius);
    overflow: hidden;
}
.pdf-modal-body iframe {
    width: 100%;
    height: 100%;
    min-height: 500px;
    border: none;
}

/* ---- PDF Loading Spinner ---- */
.pdf-loader {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    min-height: 500px;
    gap: 16px;
    color: var(--color-text-light);
    font-size: 15px;
}
.pdf-spinner {
    width: 48px;
    height: 48px;
    border: 4px solid var(--color-border);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}
@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ---- Footer ---- */
.portal-footer {
    border-top: 1px solid var(--color-border);
    padding: 20px 0;
    margin-top: 40px;
}
.portal-footer .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 13px;
    color: var(--color-text-light);
}
.logout-link {
    color: var(--color-text-light);
}
.logout-link:hover {
    color: var(--color-error);
}

/* ---- Responsive ---- */
@media (max-width: 640px) {
    .header-inner {
        flex-direction: column;
        text-align: center;
    }
    .header-brand {
        flex-direction: column;
    }
    .header-contact {
        text-align: center;
    }
    .pack-card {
        flex-direction: column;
        text-align: center;
    }
    .portal-footer .container {
        flex-direction: column;
        gap: 8px;
        text-align: center;
    }
    .pdf-modal-header {
        font-size: 13px;
    }
}