/* ============================================
 * Somos Tiendi - Plataforma CSS
 * ============================================ */

:root {
    --t-primary: #6366f1;
    --t-primary-hover: #4f46e5;
    --t-primary-light: #eef2ff;
    --t-dark: #0f172a;
    --t-text: #334155;
    --t-muted: #94a3b8;
    --t-border: #e2e8f0;
    --t-bg: #f8fafc;
    --t-card: #ffffff;
    --t-success: #10b981;
    --t-danger: #ef4444;
    --t-warning: #f59e0b;
    --t-radius: 12px;
}

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

html {
    -webkit-text-size-adjust: 100%;
    overflow-x: hidden;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--t-bg);
    color: var(--t-text);
    line-height: 1.6;
    min-height: 100vh;
    padding-bottom: env(safe-area-inset-bottom);
    overflow-x: hidden;
}

/* === TOPBAR === */
.platform-topbar {
    background: var(--t-card);
    border-bottom: 1px solid var(--t-border);
    min-height: 56px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 1rem 0 1.25rem;
    padding-left: max(1rem, env(safe-area-inset-left));
    padding-right: max(1rem, env(safe-area-inset-right));
    position: sticky;
    top: 0;
    z-index: 100;
}

.platform-logo {
    font-weight: 800;
    font-size: 1.15rem;
    color: var(--t-dark);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    min-width: 0;
}

.platform-logo span { color: var(--t-primary); }

.platform-nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    width: 44px;
    height: 44px;
    min-width: 44px;
    min-height: 44px;
    padding: 10px;
    margin: -4px -4px -4px 0;
    background: none;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: background 0.2s;
    -webkit-tap-highlight-color: transparent;
}
.platform-nav-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--t-dark);
    border-radius: 1px;
    transition: transform 0.3s, opacity 0.3s;
}
.platform-nav-toggle.active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}
.platform-nav-toggle.active span:nth-child(2) {
    opacity: 0;
}
.platform-nav-toggle.active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

.platform-nav { display: flex; align-items: center; gap: 1rem; }
.platform-nav a {
    color: var(--t-text);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    padding: 0.4rem 0.75rem;
    border-radius: 8px;
    transition: all 0.2s;
}
.platform-nav a:hover { background: var(--t-primary-light); color: var(--t-primary); }
.platform-nav a.active { background: var(--t-primary-light); color: var(--t-primary); }
.platform-nav-superadmin { background: var(--t-primary); color: #fff !important; }
.platform-nav-superadmin:hover { background: var(--t-primary-hover) !important; color: #fff !important; }

.platform-user-pill {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.35rem 0.75rem;
    background: var(--t-bg);
    border: 1px solid var(--t-border);
    border-radius: 50px;
    cursor: pointer;
    font-size: 0.9rem;
    color: var(--t-text);
    text-decoration: none;
    transition: all 0.2s;
}
.platform-user-pill:hover { border-color: var(--t-primary); }

.platform-avatar {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--t-primary);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.8rem;
    flex-shrink: 0;
}

/* === MAIN === */
.platform-main {
    max-width: 1100px;
    margin: 0 auto;
    padding: 2rem;
    width: 100%;
}

.platform-page-header {
    margin-bottom: 2rem;
}
.platform-page-header h1 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--t-dark);
    margin-bottom: 0.25rem;
}
.platform-page-header p { color: var(--t-muted); font-size: 0.95rem; }

/* === CARDS === */
.platform-card {
    background: var(--t-card);
    border: 1px solid var(--t-border);
    border-radius: var(--t-radius);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    transition: box-shadow 0.2s;
}
.platform-card:hover { box-shadow: 0 4px 16px rgba(0,0,0,0.06); }

/* === STORES GRID === */
.stores-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 1.5rem;
}

.store-card {
    background: var(--t-card);
    border: 1px solid var(--t-border);
    border-radius: var(--t-radius);
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    transition: all 0.2s;
}
.store-card:hover { border-color: var(--t-primary); box-shadow: 0 4px 16px rgba(99,102,241,0.1); }

.store-card-header { display: flex; align-items: center; gap: 1rem; }
.store-card-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: var(--t-primary-light);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    flex-shrink: 0;
}
.store-card-info h3 { font-size: 1.1rem; font-weight: 600; color: var(--t-dark); margin: 0; }
.store-card-info p { font-size: 0.85rem; color: var(--t-muted); margin: 0; }

.store-card-status {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.25rem 0.75rem;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 600;
    width: fit-content;
}
.store-card-status.active { background: #d1fae5; color: #065f46; }
.store-card-status.setup { background: #fef3c7; color: #92400e; }
.store-card-status.suspended { background: #fee2e2; color: #991b1b; }

.store-card-meta {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.store-card-actions {
    display: flex;
    gap: 0.5rem;
    margin-top: auto;
}

/* === BUTTONS === */
.btn-t {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.625rem 1.25rem;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 600;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: all 0.2s;
    font-family: inherit;
}
.btn-t-primary { background: var(--t-primary); color: white; }
.btn-t-primary:hover { background: var(--t-primary-hover); transform: translateY(-1px); box-shadow: 0 4px 12px rgba(99,102,241,0.3); }
.btn-t-secondary { background: var(--t-bg); color: var(--t-text); border: 1px solid var(--t-border); }
.btn-t-secondary:hover { border-color: var(--t-primary); color: var(--t-primary); }
.btn-t-danger { background: var(--t-danger); color: white; }
.btn-t-danger:hover { background: #dc2626; }
.btn-t-sm { padding: 0.4rem 0.9rem; font-size: 0.85rem; }
.btn-t-full { width: 100%; }

@media (max-width: 768px) {
    .btn-t { min-height: 44px; }
    .btn-t-sm { min-height: 40px; }
}

/* === FORMS === */
.form-t-group { margin-bottom: 1.25rem; }
.form-t-group label {
    display: block;
    margin-bottom: 0.4rem;
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--t-dark);
}
.form-t-group small { display: block; margin-top: 0.35rem; font-size: 0.8rem; color: var(--t-muted); }
.form-t-input {
    width: 100%;
    padding: 0.7rem 1rem;
    border: 1.5px solid var(--t-border);
    border-radius: 8px;
    font-size: 0.95rem;
    font-family: inherit;
    transition: border-color 0.2s, box-shadow 0.2s;
    background: var(--t-card);
    color: var(--t-text);
}
.form-t-input:focus {
    outline: none;
    border-color: var(--t-primary);
    box-shadow: 0 0 0 3px rgba(99,102,241,0.15);
}
.form-t-input::placeholder { color: var(--t-muted); }

@media (max-width: 768px) {
    .form-t-input { min-height: 44px; font-size: 16px; }
}

.form-t-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

/* === ALERTS === */
.alert-t {
    padding: 0.875rem 1.25rem;
    border-radius: 8px;
    margin-bottom: 1.25rem;
    font-size: 0.9rem;
    font-weight: 500;
}
.alert-t-error { background: #fef2f2; color: #991b1b; border: 1px solid #fecaca; }
.alert-t-success { background: #f0fdf4; color: #166534; border: 1px solid #bbf7d0; }

/* === AUTH PAGES === */
.auth-wrapper {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #0f172a 100%);
}

.auth-card {
    background: var(--t-card);
    border-radius: 16px;
    padding: 2.5rem;
    max-width: 440px;
    width: 100%;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}

.auth-header { text-align: center; margin-bottom: 2rem; }
.auth-header h1 { font-size: 1.5rem; font-weight: 700; color: var(--t-dark); margin-bottom: 0.5rem; }
.auth-header .auth-brand { font-size: 1.1rem; font-weight: 800; color: var(--t-primary); margin-bottom: 0.75rem; }
.auth-header p { color: var(--t-muted); font-size: 0.9rem; }

.auth-footer { text-align: center; margin-top: 1.5rem; font-size: 0.9rem; color: var(--t-muted); }
.auth-footer a { color: var(--t-primary); text-decoration: none; font-weight: 600; }
.auth-footer a:hover { text-decoration: underline; }

.auth-divider {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin: 1.5rem 0;
    color: var(--t-muted);
    font-size: 0.85rem;
}
.auth-divider::before, .auth-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--t-border);
}

/* === FOOTER === */
.platform-footer {
    text-align: center;
    padding: 1.5rem 1rem;
    color: var(--t-muted);
    font-size: 0.85rem;
    border-top: 1px solid var(--t-border);
    margin-top: 2rem;
}
@media (max-width: 768px) {
    .platform-footer { padding: 1.25rem 0.75rem; margin-top: 1.5rem; font-size: 0.8rem; }
}

/* === EMPTY STATE === */
.empty-state {
    text-align: center;
    padding: 4rem 2rem;
}
.empty-state-icon { font-size: 3.5rem; margin-bottom: 1rem; }
.empty-state h3 { font-size: 1.25rem; font-weight: 600; color: var(--t-dark); margin-bottom: 0.5rem; }
.empty-state p { color: var(--t-muted); margin-bottom: 1.5rem; max-width: 360px; margin-left: auto; margin-right: auto; }

/* === RESPONSIVE === */
@media (max-width: 900px) {
    .platform-nav-toggle { display: flex; }
    .platform-nav {
        position: fixed;
        top: 56px;
        left: 0;
        right: 0;
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        background: var(--t-card);
        border-bottom: 1px solid var(--t-border);
        padding: 1rem;
        padding-left: max(1rem, env(safe-area-inset-left));
        padding-right: max(1rem, env(safe-area-inset-right));
        box-shadow: 0 8px 24px rgba(0,0,0,0.12);
        max-height: 0;
        overflow: hidden;
        opacity: 0;
        visibility: hidden;
        transition: max-height 0.35s ease, opacity 0.25s, visibility 0.25s;
        z-index: 99;
    }
    .platform-nav.open {
        max-height: 400px;
        opacity: 1;
        visibility: visible;
    }
    .platform-nav a {
        padding: 0.875rem 1rem;
        border-radius: 8px;
        min-height: 44px;
        display: flex;
        align-items: center;
    }
    .platform-user-pill {
        margin-top: 0.5rem;
        padding-top: 0.75rem;
        border-top: 1px solid var(--t-border);
        justify-content: center;
        min-height: 48px;
    }
}

@media (max-width: 768px) {
    .platform-topbar { padding: 0 0.75rem 0 1rem; }
    .platform-main {
        padding: 1.25rem 0.75rem;
        padding-left: max(0.75rem, env(safe-area-inset-left));
        padding-right: max(0.75rem, env(safe-area-inset-right));
    }
    .platform-page-header { margin-bottom: 1.5rem; }
    .platform-page-header h1 { font-size: 1.4rem; }
    .platform-page-header p { font-size: 0.9rem; }
    .platform-card { padding: 1.25rem; }
    .stores-grid { grid-template-columns: 1fr; gap: 1rem; }
    .store-card { padding: 1.25rem; }
    .store-card-header { flex-wrap: wrap; }
    .store-card-info p {
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
        max-width: 100%;
        padding-right: 0.4rem;
    }
    .store-card-meta {
        flex-wrap: wrap;
        gap: 0.5rem;
    }
    .form-t-row { grid-template-columns: 1fr; }
    .auth-wrapper { padding: 1rem; }
    .auth-card { padding: 1.5rem 1.25rem; }
    .auth-header h1 { font-size: 1.3rem; }
    .empty-state { padding: 2.5rem 1rem; }
    .empty-state-icon { font-size: 2.5rem; }
    .empty-state h3 { font-size: 1.1rem; }
}

.platform-card-form { max-width: 700px; }

@media (max-width: 480px) {
    .platform-page-header h1 { font-size: 1.2rem; }
    .platform-user-name { display: none; }
    .platform-user-pill { padding: 0.5rem; }
    .store-card-actions { flex-direction: column; gap: 0.5rem; }
    .store-card-actions .btn-t { width: 100%; justify-content: center; }
    .store-card-status { font-size: 0.75rem; }
    .btn-t { padding: 0.6rem 1rem; font-size: 0.9rem; }
    .btn-t-sm { padding: 0.5rem 0.75rem; }
    .platform-card { padding: 1rem; }
    .auth-card { padding: 1.25rem 1rem; }
}

/* Mobile: file input y form layout */
@media (max-width: 768px) {
    .form-t-group input[type="file"] {
        font-size: 0.9rem;
        padding: 0.5rem;
    }
    .platform-card-form hr {
        margin: 1.25rem 0;
    }
}

/* Pantallas muy pequeñas */
@media (max-width: 360px) {
    .platform-logo { font-size: 1rem; }
    .platform-main { padding: 1rem 0.5rem; }
    .platform-card { padding: 0.875rem; }
    .store-card { padding: 1rem; }
    .auth-card { padding: 1rem 0.875rem; }
}

/* Form actions (botones al final del formulario) */
.platform-form-actions {
    display: flex;
    gap: 1rem;
    margin-top: 1.5rem;
    flex-wrap: wrap;
}
@media (max-width: 480px) {
    .platform-form-actions {
        flex-direction: column;
        margin-top: 1.25rem;
    }
    .platform-form-actions .btn-t {
        width: 100%;
        justify-content: center;
    }
}

/* Dashboard actions */
.platform-dashboard-actions {
    display: flex;
    justify-content: flex-end;
    margin-bottom: 1rem;
}
@media (max-width: 768px) {
    .platform-dashboard-actions {
        justify-content: stretch;
    }
    .platform-dashboard-actions .btn-t {
        width: 100%;
        justify-content: center;
    }
}