/* ==========================================================================
   MAS CONSTRUCTORA - Admin Panel Styles (admin.css)
   ========================================================================== */

:root {
    --primary: #FF5A1F;
    --primary-hover: #E0480F;
    --dark-bg: #0F172A;
    --dark-card: #1E293B;
    --dark-border: #334155;
    --text-light: #F8FAFC;
    --text-muted: #94A3B8;
    --accent-blue: #38BDF8;
    --accent-green: #22C55E;
    --accent-red: #EF4444;
    --shadow-glow: 0 10px 30px -10px rgba(255, 90, 31, 0.3);
}

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

body {
    font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: var(--dark-bg);
    color: var(--text-light);
    min-height: 100vh;
    line-height: 1.6;
}

/* --------------------------------------------------------------------------
   Auth Login Modal / Screen
   -------------------------------------------------------------------------- */
.auth-overlay {
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(12px);
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
}

.auth-card {
    background: var(--dark-card);
    border: 1px solid var(--dark-border);
    border-radius: 16px;
    padding: 2.5rem;
    width: 100%;
    max-width: 420px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.5), var(--shadow-glow);
    text-align: center;
}

.auth-logo {
    max-height: 50px;
    margin-bottom: 1.5rem;
}

.auth-title {
    font-family: 'Outfit', sans-serif;
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

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

.auth-input {
    width: 100%;
    padding: 0.85rem 1rem;
    background: rgba(255,255,255,0.05);
    border: 1px solid var(--dark-border);
    border-radius: 8px;
    color: #FFF;
    font-size: 1rem;
    margin-bottom: 1.2rem;
    outline: none;
    transition: border-color 0.2s;
}

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

.auth-btn {
    width: 100%;
    padding: 0.9rem;
    background: var(--primary);
    border: none;
    border-radius: 8px;
    color: #FFF;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: background 0.2s, transform 0.1s;
}

.auth-btn:hover {
    background: var(--primary-hover);
    transform: translateY(-1px);
}

.auth-error {
    color: var(--accent-red);
    font-size: 0.85rem;
    margin-top: 1rem;
    display: none;
}

/* --------------------------------------------------------------------------
   Admin Navbar Header
   -------------------------------------------------------------------------- */
.admin-navbar {
    background: rgba(30, 41, 59, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--dark-border);
    position: sticky;
    top: 0;
    z-index: 100;
}

.admin-nav-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 1rem 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.admin-brand {
    display: flex;
    align-items: center;
    gap: 1rem;
    text-decoration: none;
    color: #FFF;
}

.admin-brand img {
    height: 38px;
}

.admin-brand span {
    background: var(--primary);
    color: #FFF;
    font-size: 0.75rem;
    font-weight: 700;
    padding: 0.2rem 0.6rem;
    border-radius: 4px;
    text-transform: uppercase;
}

.nav-actions-admin {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.btn-secondary {
    background: rgba(255,255,255,0.08);
    color: var(--text-light);
    border: 1px solid var(--dark-border);
    padding: 0.6rem 1.2rem;
    border-radius: 8px;
    font-size: 0.9rem;
    cursor: pointer;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.2s;
}

.btn-secondary:hover {
    background: rgba(255,255,255,0.15);
}

.btn-save-master {
    background: var(--primary);
    color: #FFF;
    border: none;
    padding: 0.6rem 1.4rem;
    border-radius: 8px;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    box-shadow: var(--shadow-glow);
    transition: all 0.2s;
}

.btn-save-master:hover {
    background: var(--primary-hover);
    transform: translateY(-1px);
}

.btn-danger {
    background: rgba(239, 68, 68, 0.15);
    color: var(--accent-red);
    border: 1px solid rgba(239, 68, 68, 0.3);
    padding: 0.6rem 1.2rem;
    border-radius: 8px;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-danger:hover {
    background: rgba(239, 68, 68, 0.3);
}

/* --------------------------------------------------------------------------
   Admin Main Content & Sidebar Tabs
   -------------------------------------------------------------------------- */
.admin-container {
    max-width: 1280px;
    margin: 2rem auto;
    padding: 0 1.5rem;
    display: grid;
    grid-template-columns: 260px 1fr;
    gap: 2rem;
}

@media (max-width: 900px) {
    .admin-container {
        grid-template-columns: 1fr;
    }
}

.admin-sidebar {
    background: var(--dark-card);
    border: 1px solid var(--dark-border);
    border-radius: 12px;
    padding: 1rem;
    height: fit-content;
}

.tab-btn {
    width: 100%;
    text-align: left;
    background: transparent;
    border: none;
    color: var(--text-muted);
    padding: 0.85rem 1rem;
    border-radius: 8px;
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.5rem;
    transition: all 0.2s;
}

.tab-btn i {
    width: 20px;
    text-align: center;
}

.tab-btn:hover {
    color: var(--text-light);
    background: rgba(255,255,255,0.04);
}

.tab-btn.active {
    color: #FFF;
    background: var(--primary);
    font-weight: 600;
}

.admin-content {
    background: var(--dark-card);
    border: 1px solid var(--dark-border);
    border-radius: 12px;
    padding: 2rem;
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

.section-header-admin {
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--dark-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.section-header-admin h2 {
    font-family: 'Outfit', sans-serif;
    font-size: 1.4rem;
    color: #FFF;
}

.section-header-admin p {
    font-size: 0.88rem;
    color: var(--text-muted);
}

/* Form Controls */
.form-group-admin {
    margin-bottom: 1.5rem;
}

.form-label-admin {
    display: block;
    font-size: 0.88rem;
    font-weight: 600;
    color: #E2E8F0;
    margin-bottom: 0.4rem;
}

.form-input-admin,
.form-textarea-admin,
.form-select-admin {
    width: 100%;
    padding: 0.75rem 1rem;
    background: rgba(15, 23, 42, 0.6);
    border: 1px solid var(--dark-border);
    border-radius: 8px;
    color: #FFF;
    font-size: 0.95rem;
    font-family: inherit;
    outline: none;
    transition: border-color 0.2s;
}

.form-input-admin:focus,
.form-textarea-admin:focus,
.form-select-admin:focus {
    border-color: var(--primary);
}

/* Image Upload & Preview Component */
.image-uploader-card {
    display: grid;
    grid-template-columns: 140px 1fr;
    gap: 1.2rem;
    background: rgba(15, 23, 42, 0.4);
    border: 1px dashed var(--dark-border);
    border-radius: 10px;
    padding: 1rem;
    align-items: center;
    margin-top: 0.5rem;
}

.img-preview-box {
    width: 140px;
    height: 100px;
    border-radius: 8px;
    overflow: hidden;
    background: #000;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--dark-border);
}

.img-preview-box img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.upload-actions {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.file-input-wrapper {
    position: relative;
    display: inline-block;
}

.file-input-wrapper input[type="file"] {
    position: absolute;
    inset: 0;
    opacity: 0;
    cursor: pointer;
}

.btn-upload {
    background: rgba(56, 189, 248, 0.15);
    color: var(--accent-blue);
    border: 1px solid rgba(56, 189, 248, 0.3);
    padding: 0.5rem 1rem;
    border-radius: 6px;
    font-size: 0.85rem;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
}

.url-input-box {
    font-size: 0.85rem;
}

/* Item List / Cards Grid inside Admin */
.items-admin-grid {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.item-card-admin {
    background: rgba(15, 23, 42, 0.5);
    border: 1px solid var(--dark-border);
    border-radius: 10px;
    padding: 1.5rem;
    position: relative;
}

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

.item-card-title {
    font-weight: 600;
    color: var(--primary);
    font-size: 1.05rem;
}

.item-card-actions {
    display: flex;
    gap: 0.5rem;
}

/* Toast Notifications */
.toast-notification {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    background: var(--accent-green);
    color: #FFF;
    padding: 1rem 1.5rem;
    border-radius: 8px;
    font-weight: 600;
    box-shadow: 0 10px 25px rgba(0,0,0,0.4);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    z-index: 1000;
    transform: translateY(100px);
    opacity: 0;
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.toast-notification.active {
    transform: translateY(0);
    opacity: 1;
}

.toast-notification.error {
    background: var(--accent-red);
}