/* ===== GRANNY GEAR WORKSHOP - SHARED STYLES ===== */

:root {
    --brand-cyan: #29ABE2;
    --brand-cyan-light: #5BC4ED;
    --brand-cyan-dark: #1E8BBB;
    --brand-red: #ED1C24;
    --brand-yellow: #FFF200;
    --brand-dark: #1A1A1A;
    --brand-light: #F8F9FA;
    --text-primary: #333333;
    --text-secondary: #666666;
    --text-muted: #999999;
    --border-color: #E0E0E0;
    --error-red: #DC3545;
    --warning-orange: #F39C12;
    --success-green: #28A745;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 25px rgba(0,0,0,0.15);
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--brand-cyan-dark);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
}

body.operator-authenticated {
    background-color: #ECEFF1;
}

/* ===== Loading Overlay ===== */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255,255,255,0.9);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    flex-direction: column;
    gap: 15px;
}
.loading-overlay.active { display: flex; }

.spinner {
    width: 50px;
    height: 50px;
    border: 4px solid var(--border-color);
    border-top-color: var(--brand-cyan);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* ===== Logo Styles ===== */
.logo-img {
    height: 70px;
    width: auto;
}

.logo-img-small {
    height: 40px;
    width: auto;
}

.logo-container {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
}

.logo-name {
    font-family: 'Arial Black', Arial, sans-serif;
    font-style: italic;
    font-weight: 900;
    letter-spacing: -1px;
}

.logo-container .logo-name {
    font-size: 28px;
    color: white;
    text-transform: lowercase;
}

/* ===== Buttons ===== */
.btn {
    padding: 14px 28px;
    border: none;
    border-radius: var(--radius-md);
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    text-decoration: none;
}

.btn-primary { background: var(--brand-cyan); color: white; }
.btn-primary:hover { background: var(--brand-cyan-dark); transform: translateY(-1px); }
.btn-primary:disabled { background: var(--border-color); cursor: not-allowed; transform: none; }

.btn-secondary { background: var(--border-color); color: var(--text-secondary); }
.btn-secondary:hover { background: #D0D0D0; }

.btn-accent { background: var(--brand-yellow); color: var(--brand-dark); }
.btn-accent:hover { background: #FFF566; }

.btn-success { background: var(--success-green); color: white; }
.btn-success:hover { background: #1e7b34; }

.btn-danger { background: var(--error-red); color: white; }
.btn-danger:hover { background: #a71d2a; }

.btn-block { width: 100%; }
.btn-group { display: flex; gap: 10px; margin-top: 25px; }
.btn-group .btn { flex: 1; }

/* ===== Form Elements ===== */
.form-group { margin-bottom: 20px; }

.form-group label {
    display: block;
    font-weight: 600;
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 6px;
}

.form-group label .optional {
    font-weight: 400;
    color: var(--text-muted);
    font-size: 12px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 14px;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 16px;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--brand-cyan);
}

.form-group input.invalid {
    border-color: var(--error-red);
    background-color: #FFF5F5;
}

.form-group input.valid {
    border-color: var(--success-green);
    background-color: #F0FFF4;
}

.field-error {
    color: var(--error-red);
    font-size: 12px;
    margin-top: 4px;
    display: none;
}

.field-error.visible {
    display: block;
}

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 15px; }

@media (max-width: 600px) {
    .form-row { grid-template-columns: 1fr; }
}

/* ===== PIN Overlay ===== */
.pin-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.8);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 2000;
}

.pin-overlay.active { display: flex; }

.pin-modal {
    background: white;
    border-radius: var(--radius-lg);
    padding: 30px;
    text-align: center;
    max-width: 320px;
    width: 90%;
}

.pin-modal h3 { margin-bottom: 20px; color: var(--brand-dark); }

.pin-display {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-bottom: 20px;
}

.pin-dot {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--border-color);
    transition: all 0.2s ease;
}

.pin-dot.filled { background: var(--brand-cyan); }

.pin-keypad { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }

.pin-key {
    padding: 18px;
    font-size: 20px;
    font-weight: 600;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    background: white;
    cursor: pointer;
    transition: all 0.2s ease;
}

.pin-key:hover { background: var(--brand-light); border-color: var(--brand-cyan); }
.pin-key:active { transform: scale(0.95); }
.pin-key.clear { color: var(--error-red); }
.pin-key.enter { background: var(--brand-cyan); color: white; border-color: var(--brand-cyan); }

/* ===== Toast Notifications ===== */
.toast-container {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 10000;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.toast {
    padding: 15px 20px;
    border-radius: var(--radius-md);
    color: white;
    font-weight: 500;
    box-shadow: var(--shadow-lg);
    animation: slideIn 0.3s ease;
    max-width: 350px;
}

.toast.success { background: var(--success-green); }
.toast.error { background: var(--error-red); }
.toast.info { background: var(--brand-cyan); }
.toast.warning { background: var(--warning-orange); }

@keyframes slideIn {
    from { transform: translateX(100%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

/* ===== PWA Install Banner ===== */
.pwa-install-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--brand-dark);
    color: white;
    padding: 15px 20px;
    display: none;
    align-items: center;
    justify-content: space-between;
    gap: 15px;
    z-index: 5000;
    box-shadow: 0 -4px 15px rgba(0,0,0,0.2);
}

.pwa-install-banner.active { display: flex; }

.pwa-install-banner .banner-content {
    display: flex;
    align-items: center;
    gap: 15px;
}

.pwa-install-banner img {
    width: 48px;
    height: 48px;
    border-radius: 10px;
}

.pwa-install-banner .banner-text h4 {
    font-size: 14px;
    margin-bottom: 2px;
}

.pwa-install-banner .banner-text p {
    font-size: 12px;
    opacity: 0.8;
}

.pwa-install-banner .banner-actions {
    display: flex;
    gap: 10px;
}

.pwa-install-banner .btn-install {
    padding: 10px 20px;
    background: var(--brand-cyan);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    font-weight: 600;
    cursor: pointer;
}

.pwa-install-banner .btn-dismiss {
    padding: 10px 15px;
    background: transparent;
    color: white;
    border: 1px solid rgba(255,255,255,0.3);
    border-radius: var(--radius-md);
    cursor: pointer;
}

/* ===== Responsive ===== */
@media (max-width: 500px) {
    .pwa-install-banner {
        flex-direction: column;
        text-align: center;
    }
    
    .pwa-install-banner .banner-content {
        flex-direction: column;
    }
    
    .pwa-install-banner .banner-actions {
        width: 100%;
    }
    
    .pwa-install-banner .btn-install,
    .pwa-install-banner .btn-dismiss {
        flex: 1;
    }
}