/* Variáveis de Tema - Dark Mode Glassmorphism */
:root {
    --bg-color: #0f172a;
    --panel-bg: rgba(30, 41, 59, 0.7);
    --panel-border: rgba(255, 255, 255, 0.1);
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --primary-color: #3b82f6;
    --primary-hover: #2563eb;
    --accent-color: #10b981;
    --danger-color: #ef4444;
    --input-bg: rgba(15, 23, 42, 0.6);
    --input-focus: rgba(59, 130, 246, 0.3);
    --transition-speed: 0.3s;
}

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

body {
    background: var(--bg-color);
    background-image: radial-gradient(circle at top right, rgba(59, 130, 246, 0.2), transparent 40%),
                      radial-gradient(circle at bottom left, rgba(16, 185, 129, 0.1), transparent 40%);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: flex-start; /* Para permitir que o margin role corretamente com o height: auto */
}

/* Base Glassmorphism Panels */
.glass-panel {
    background: var(--panel-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--panel-border);
    border-radius: 16px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.app-container {
    width: 100%;
    max-width: 600px;
    height: auto;
    min-height: 90vh;
    margin: 20px 0;
    position: relative;
    display: flex;
    flex-direction: column;
}

@media (max-width: 650px) {
    .app-container {
        min-height: 100vh;
        margin: 0;
        border-radius: 0;
        border: none;
    }
}

/* Login Screen Styles */
.header-logo {
    text-align: center;
    margin-bottom: 2rem;
    padding-top: 2rem;
}
.logo-icon {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 10px;
}
.header-logo h1 {
    font-weight: 700;
    letter-spacing: -0.5px;
}
.header-logo p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.tabs {
    display: flex;
    border-bottom: 1px solid var(--panel-border);
    margin-bottom: 2rem;
}
.tab-btn {
    flex: 1;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    padding: 15px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-speed);
    border-bottom: 2px solid transparent;
}
.tab-btn.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}
.tab-btn:hover:not(.active) {
    color: var(--text-primary);
}

.auth-form {
    padding: 0 2rem 2rem;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.input-group {
    position: relative;
    display: flex;
    flex-direction: column;
    width: 100%;
}
.input-group i {
    position: absolute;
    top: 50%;
    left: 15px;
    transform: translateY(-50%);
    color: var(--text-secondary);
    pointer-events: none;
}
.input-group label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 5px;
    font-weight: 500;
}
.input-group input, .input-group select {
    width: 100%;
    padding: 12px 15px 12px 45px;
    background: var(--input-bg);
    border: 1px solid var(--panel-border);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 1rem;
    outline: none;
    transition: border var(--transition-speed), box-shadow var(--transition-speed);
}
/* Modificadores para quando não tem ícone */
.grid-form .input-group input, .grid-form .input-group select {
    padding-left: 15px;
}

.input-group input:focus, .input-group select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px var(--input-focus);
}

/* Botões Modernos */
.btn-primary, .btn-secondary, .btn-danger, .btn-whatsapp {
    width: 100%;
    padding: 14px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all var(--transition-speed);
    border: none;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    text-decoration: none;
}
.btn-primary {
    background: var(--primary-color);
    color: white;
}
.btn-primary:hover { background: var(--primary-hover); }

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    border: 1px solid rgba(255, 255, 255, 0.2);
}
.btn-secondary:hover { background: rgba(255, 255, 255, 0.2); }

.btn-danger {
    background: var(--danger-color);
    color: white;
}
.btn-danger:hover { opacity: 0.8; }

.btn-whatsapp {
    background: #25D366;
    color: white;
    margin-top: 10px;
}
.btn-whatsapp:hover { background: #1ebd5a; }

/* Mensagens */
.error-msg { color: var(--danger-color); font-size: 0.85rem; text-align: center; min-height: 20px;}
.success-msg { color: var(--accent-color); font-size: 0.85rem; text-align: center; min-height: 20px;}

/* Main Screen (Checklist) */
.app-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem;
    border-bottom: 1px solid var(--panel-border);
    background: rgba(15, 23, 42, 0.8);
    position: sticky;
    top: 0;
    z-index: 10;
}
.app-header h2 { font-size: 1.2rem; font-weight: 600; }
.user-info { display: flex; align-items: center; gap: 15px; }
.user-info span { font-size: 0.9rem; color: var(--text-secondary); display:flex; gap: 5px; align-items:center;}

.icon-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1.2rem;
    cursor: pointer;
    transition: color 0.2s;
}
.icon-btn:hover { color: var(--text-primary); }
.logout-btn:hover { color: var(--danger-color); }

.scrollable-content {
    flex: 1;
    overflow: visible; /* Remover scroll fixo interno */
    padding: 1.5rem;
    padding-bottom: 2rem; 
}
.scrollable-content::-webkit-scrollbar { width: 6px; }
.scrollable-content::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.2); border-radius: 4px; }

/* Secções do formulário */
.form-section {
    margin-bottom: 2rem;
    background: rgba(0,0,0,0.2);
    padding: 1.5rem;
    border-radius: 12px;
    border: 1px solid var(--panel-border);
}
.form-section h3 {
    font-size: 1.1rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
    border-bottom: 1px solid var(--panel-border);
    padding-bottom: 0.5rem;
}
.section-desc { font-size: 0.85rem; color: var(--text-secondary); margin-bottom: 15px; }

.grid-form {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}
@media (max-width: 480px) {
    .grid-form { grid-template-columns: 1fr; }
}

.readonly-input {
    background: rgba(0,0,0,0.3) !important;
    color: var(--text-secondary) !important;
    border-color: transparent !important;
    cursor: not-allowed;
}

/* Checkbox Grid Bonito */
.checklist-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}
@media (max-width: 500px) {
    .checklist-grid { grid-template-columns: 1fr; }
}

.custom-checkbox {
    display: flex;
    align-items: center;
    background: var(--input-bg);
    padding: 12px;
    border-radius: 8px;
    border: 1px solid var(--panel-border);
    cursor: pointer;
    transition: all 0.2s;
    user-select: none;
    gap: 10px;
}
.custom-checkbox:hover { border-color: rgba(255,255,255,0.3); }

/* Input Checkbox escondido e substituído por visual personalizado */
.custom-checkbox input[type="checkbox"] {
    appearance: none;
    width: 20px;
    height: 20px;
    border: 2px solid var(--text-secondary);
    border-radius: 4px;
    outline: none;
    cursor: pointer;
    display: grid;
    place-content: center;
    transition: all 0.2s;
}
.custom-checkbox input[type="checkbox"]::before {
    content: "";
    width: 10px;
    height: 10px;
    box-shadow: inset 1em 1em white;
    transform-origin: bottom left;
    clip-path: polygon(14% 44%, 0 65%, 50% 100%, 100% 16%, 80% 0%, 43% 62%);
    transform: scale(0);
    transition: transform 0.2s;
}
.custom-checkbox input[type="checkbox"]:checked {
    background: var(--primary-color);
    border-color: var(--primary-color);
}
.custom-checkbox input[type="checkbox"]:checked::before { transform: scale(1); }
.custom-checkbox span { font-size: 0.9rem; }

/* Textarea */
textarea {
    width: 100%;
    background: var(--input-bg);
    border: 1px solid var(--panel-border);
    border-radius: 8px;
    font-size: 1rem;
    color: white;
    padding: 12px;
    resize: vertical;
    outline: none;
    margin-bottom: 20px;
}
textarea:focus { border-color: var(--primary-color); }

/* Post actions panel */
.post-actions {
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.3);
    padding: 1.5rem;
    border-radius: 12px;
    margin-top: 2rem;
    text-align: center;
    animation: slideUp 0.4s ease forwards;
}
.post-actions h4 { color: var(--accent-color); margin-bottom: 10px;}
.info-text { font-size: 0.9rem; color: var(--text-secondary); margin-bottom: 15px;}
.action-buttons {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

/* Modals */
.modal-overlay {
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(0,0,0,0.6);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 100;
    backdrop-filter: blur(5px);
}
.modal-content {
    width: 90%;
    max-width: 500px;
    padding: 2rem;
    position: relative;
    max-height: 90vh;
    overflow-y: auto;
}
.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    border-bottom: 1px solid var(--panel-border);
    padding-bottom: 1rem;
}
.close-btn { background: none; border: none; font-size: 1.5rem; color: var(--text-secondary); cursor: pointer;}
.close-btn:hover { color: white; }

.admin-card {
    background: rgba(0,0,0,0.3);
    padding: 1.5rem;
    border-radius: 8px;
    margin-bottom: 1.5rem;
}
.admin-card h3 { font-size: 1rem; margin-bottom: 15px; }
.full-width-input { margin-bottom: 10px; }
.admin-msg { font-size: 0.85rem; margin-top: 5px; text-align: center; }

/* Utilidades Visuais */
.screen {
    width: 100%;
    transition: opacity 0.4s ease, transform 0.4s ease;
}
.fade-out { 
    opacity: 0; 
    pointer-events: none; 
    transform: translateY(10px); 
    position: absolute; 
}
.view-active { 
    opacity: 1; 
    pointer-events: auto; 
    transform: translateY(0); 
    position: relative; 
}

@keyframes slideUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}