/* ================================================
   SIGN IN PLUS WIFI - GLOBAL STYLESHEET
   Version: 1.0
   
   Color System:
   - Primary: iOS Gray (#8E8E93, #AEAEB2)
   - Secondary: iOS Green (#34C759, #4DD865)
   - Third: iOS Blue (#007AFF, #4DA6FF)
   - Warning: Orange (#f59e0b, #fbbf24)
   ================================================ */

/* CSS VARIABLES (COLOR SYSTEM) */
:root {
    /* Primary - iOS Gray */
    --sipw-primary: #8E8E93;
    --sipw-primary-light: #AEAEB2;
    --sipw-primary-dark: #636366;
    
    /* Secondary - iOS Green */
    --sipw-secondary: #34C759;
    --sipw-secondary-light: #4DD865;
    --sipw-secondary-dark: #28a745;
    
    /* Third - iOS Blue */
    --sipw-third: #007AFF;
    --sipw-third-light: #4DA6FF;
    --sipw-third-dark: #0056b3;
    
    /* Warning/Error - Orange (replaced red) */
    --sipw-warning: #f59e0b;
    --sipw-warning-light: #fbbf24;
    --sipw-warning-dark: #d97706;
    --sipw-warning-bg: #fef3c7;
    --sipw-warning-border: #f59e0b;
    
    /* Neutrals */
    --sipw-white: #ffffff;
    --sipw-black: #000000;
    --sipw-gray-50: #f8fafc;
    --sipw-gray-100: #f1f5f9;
    --sipw-gray-200: #e2e8f0;
    --sipw-gray-300: #cbd5e1;
    --sipw-gray-400: #94a3b8;
    --sipw-gray-500: #64748b;
    --sipw-gray-600: #475569;
    --sipw-gray-700: #334155;
    --sipw-gray-800: #1e293b;
    --sipw-gray-900: #0f172a;
    
    /* Shadows */
    --sipw-shadow-sm: 0 2px 4px rgba(0,0,0,0.05);
    --sipw-shadow-md: 0 4px 12px rgba(0,0,0,0.1);
    --sipw-shadow-lg: 0 10px 25px rgba(0,0,0,0.15);
    --sipw-shadow-xl: 0 20px 60px rgba(0,0,0,0.2);
}

/* TYPOGRAPHY */
.sipw-text-primary {
    color: var(--sipw-primary);
}

.sipw-text-secondary {
    color: var(--sipw-secondary);
}

.sipw-text-third {
    color: var(--sipw-third);
}

.sipw-text-warning {
    color: var(--sipw-warning);
}

/* BACKGROUNDS */
.sipw-bg-primary {
    background-color: var(--sipw-primary);
}

.sipw-bg-secondary {
    background-color: var(--sipw-secondary);
}

.sipw-bg-third {
    background-color: var(--sipw-third);
}

.sipw-bg-warning {
    background-color: var(--sipw-warning);
}

/* LOADING SPINNERS */

/* Standard Spinner - Gray/Green/Blue combination */
.sipw-spinner {
    width: 50px;
    height: 50px;
    border: 4px solid var(--sipw-gray-200);
    border-top: 4px solid var(--sipw-third);
    border-right: 4px solid var(--sipw-secondary);
    border-radius: 50%;
    animation: sipw-spin 1s linear infinite;
    margin: 0 auto;
}

/* Small Spinner Variant */
.sipw-spinner.small {
    width: 30px;
    height: 30px;
    border-width: 3px;
}

/* Large Spinner Variant */
.sipw-spinner.large {
    width: 80px;
    height: 80px;
    border-width: 5px;
}

/* Inline Spinner (for buttons, etc) */
.sipw-spinner.inline {
    width: 20px;
    height: 20px;
    border-width: 2px;
    display: inline-block;
    vertical-align: middle;
    margin: 0 8px;
}

/* White Spinner (for dark backgrounds) */
.sipw-spinner.white {
    border: 4px solid rgba(255, 255, 255, 0.2);
    border-top: 4px solid white;
    border-right: 4px solid white;
}

/* Primary color spinner */
.sipw-spinner.primary {
    border: 4px solid var(--sipw-gray-200);
    border-top: 4px solid var(--sipw-primary);
    border-right: 4px solid var(--sipw-primary-light);
}

@keyframes sipw-spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* LOADING CONTAINERS */

/* Full Page Loading Overlay */
.sipw-loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.95);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    backdrop-filter: blur(5px);
}

/* Loading Container with Icon */
.sipw-loading-container {
    text-align: center;
    padding: 40px;
}

.sipw-loading-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(0, 122, 255, 0.1) 0%, rgba(52, 199, 89, 0.1) 100%);
    animation: sipw-pulse 1.5s ease infinite;
}

@keyframes sipw-pulse {
    0%, 100% {
        transform: scale(1);
        opacity: 1;
    }
    50% {
        transform: scale(1.05);
        opacity: 0.8;
    }
}

.sipw-loading-text {
    color: var(--sipw-gray-800);
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 8px;
}

.sipw-loading-subtext {
    color: var(--sipw-gray-500);
    font-size: 16px;
}

/* BUTTONS */

/* Base Button Styles */
.sipw-btn {
    position: relative;
    transition: all 0.3s ease;
    border: none;
    border-radius: 8px;
    padding: 12px 32px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    display: inline-block;
    text-decoration: none;
    text-align: center;
}

/* Primary Button - Gray */
.sipw-btn.primary {
    background: var(--sipw-primary);
    color: white;
}

.sipw-btn.primary:hover {
    background: var(--sipw-primary-dark);
    transform: translateY(-1px);
    box-shadow: var(--sipw-shadow-md);
}

/* Secondary Button - Green */
.sipw-btn.secondary {
    background: var(--sipw-secondary);
    color: white;
}

.sipw-btn.secondary:hover {
    background: var(--sipw-secondary-dark);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(52, 199, 89, 0.3);
}

/* Third Button - Blue (default) */
.sipw-btn.third,
.sipw-btn {
    background: var(--sipw-third);
    color: white;
}

.sipw-btn.third:hover,
.sipw-btn:hover {
    background: var(--sipw-third-dark);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 122, 255, 0.3);
}

/* Warning Button - Orange */
.sipw-btn.warning {
    background: var(--sipw-warning);
    color: white;
}

.sipw-btn.warning:hover {
    background: var(--sipw-warning-dark);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(245, 158, 11, 0.3);
}

/* Outline Buttons */
.sipw-btn.outline-primary {
    background: transparent;
    color: var(--sipw-primary);
    border: 2px solid var(--sipw-primary);
}

.sipw-btn.outline-secondary {
    background: transparent;
    color: var(--sipw-secondary);
    border: 2px solid var(--sipw-secondary);
}

.sipw-btn.outline-third {
    background: transparent;
    color: var(--sipw-third);
    border: 2px solid var(--sipw-third);
}

/* Light Button */
.sipw-btn.light {
    background: var(--sipw-gray-100);
    color: var(--sipw-gray-600);
}

.sipw-btn.light:hover {
    background: var(--sipw-gray-200);
}

/* Button Loading State */
.sipw-btn.loading {
    color: transparent !important;
    pointer-events: none;
}

.sipw-btn.loading::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    top: 50%;
    left: 50%;
    margin-left: -10px;
    margin-top: -10px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: sipw-spin 0.8s linear infinite;
}

/* Button Sizes */
.sipw-btn.small {
    padding: 8px 20px;
    font-size: 14px;
}

.sipw-btn.large {
    padding: 16px 40px;
    font-size: 18px;
}

/* ALERTS AND MESSAGES */

.sipw-alert {
    padding: 16px;
    border-radius: 8px;
    margin: 16px 0;
    border-left: 4px solid;
}

.sipw-alert.info {
    background: rgba(0, 122, 255, 0.1);
    border-color: var(--sipw-third);
    color: var(--sipw-third-dark);
}

.sipw-alert.success {
    background: rgba(52, 199, 89, 0.1);
    border-color: var(--sipw-secondary);
    color: var(--sipw-secondary-dark);
}

.sipw-alert.warning {
    background: var(--sipw-warning-bg);
    border-color: var(--sipw-warning);
    color: var(--sipw-warning-dark);
}

/* Error states now use warning/orange instead of red */
.sipw-alert.error {
    background: var(--sipw-warning-bg);
    border-color: var(--sipw-warning);
    color: var(--sipw-warning-dark);
}

/* FORM ELEMENTS */

.sipw-input {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--sipw-gray-300);
    border-radius: 8px;
    font-size: 16px;
    transition: all 0.3s ease;
    background: white;
}

.sipw-input:focus {
    outline: none;
    border-color: var(--sipw-third);
    box-shadow: 0 0 0 3px rgba(0, 122, 255, 0.1);
}

.sipw-input.error {
    border-color: var(--sipw-warning);
}

.sipw-input.error:focus {
    box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.1);
}

.sipw-label {
    display: block;
    margin-bottom: 8px;
    color: var(--sipw-gray-700);
    font-weight: 500;
}

.sipw-error-text {
    color: var(--sipw-warning);
    font-size: 14px;
    margin-top: 4px;
}

/* CARDS */

.sipw-card {
    background: white;
    border-radius: 12px;
    padding: 24px;
    box-shadow: var(--sipw-shadow-md);
    margin-bottom: 24px;
}

.sipw-card-header {
    padding-bottom: 16px;
    margin-bottom: 16px;
    border-bottom: 1px solid var(--sipw-gray-200);
}

.sipw-card-title {
    font-size: 20px;
    font-weight: 600;
    color: var(--sipw-gray-800);
}

/* SKELETON LOADERS */

.sipw-skeleton {
    background: linear-gradient(
        90deg,
        var(--sipw-gray-100) 25%,
        var(--sipw-gray-200) 50%,
        var(--sipw-gray-100) 75%
    );
    background-size: 200% 100%;
    animation: sipw-skeleton-loading 1.5s infinite;
    border-radius: 4px;
}

.sipw-skeleton.text {
    height: 16px;
    margin-bottom: 8px;
}

.sipw-skeleton.title {
    height: 32px;
    margin-bottom: 16px;
}

.sipw-skeleton.card {
    height: 200px;
    border-radius: 12px;
}

@keyframes sipw-skeleton-loading {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* PROGRESS BARS */

.sipw-progress {
    width: 100%;
    height: 8px;
    background: var(--sipw-gray-200);
    border-radius: 4px;
    overflow: hidden;
}

.sipw-progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--sipw-third) 0%, var(--sipw-secondary) 100%);
    border-radius: 4px;
    transition: width 0.3s ease;
}

/* Indeterminate Progress */
.sipw-progress.indeterminate .sipw-progress-bar {
    width: 30%;
    animation: sipw-progress-indeterminate 1.5s infinite;
}

@keyframes sipw-progress-indeterminate {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(400%); }
}

/* DOTS LOADER */

.sipw-dots {
    display: inline-flex;
    gap: 6px;
}

.sipw-dots span {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--sipw-third);
    animation: sipw-dots-bounce 1.4s infinite both;
}

.sipw-dots span:nth-child(1) { animation-delay: -0.32s; }
.sipw-dots span:nth-child(2) { animation-delay: -0.16s; }
.sipw-dots span:nth-child(3) { animation-delay: 0; }

@keyframes sipw-dots-bounce {
    0%, 80%, 100% {
        transform: scale(0.8);
        opacity: 0.5;
    }
    40% {
        transform: scale(1);
        opacity: 1;
    }
}

/* BADGES */

.sipw-badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.sipw-badge.primary {
    background: var(--sipw-primary);
    color: white;
}

.sipw-badge.secondary {
    background: var(--sipw-secondary);
    color: white;
}

.sipw-badge.third {
    background: var(--sipw-third);
    color: white;
}

.sipw-badge.warning {
    background: var(--sipw-warning);
    color: white;
}

/* UTILITIES */

/* Margins */
.sipw-m-0 { margin: 0; }
.sipw-m-1 { margin: 8px; }
.sipw-m-2 { margin: 16px; }
.sipw-m-3 { margin: 24px; }
.sipw-m-4 { margin: 32px; }

/* Padding */
.sipw-p-0 { padding: 0; }
.sipw-p-1 { padding: 8px; }
.sipw-p-2 { padding: 16px; }
.sipw-p-3 { padding: 24px; }
.sipw-p-4 { padding: 32px; }

/* Text Alignment */
.sipw-text-center { text-align: center; }
.sipw-text-left { text-align: left; }
.sipw-text-right { text-align: right; }

/* Display */
.sipw-hidden { display: none; }
.sipw-block { display: block; }
.sipw-inline-block { display: inline-block; }
.sipw-flex { display: flex; }

/* Flexbox */
.sipw-justify-center { justify-content: center; }
.sipw-items-center { align-items: center; }
.sipw-flex-col { flex-direction: column; }
.sipw-gap-1 { gap: 8px; }
.sipw-gap-2 { gap: 16px; }
.sipw-gap-3 { gap: 24px; }

/* Shadows */
.sipw-shadow-sm { box-shadow: var(--sipw-shadow-sm); }
.sipw-shadow-md { box-shadow: var(--sipw-shadow-md); }
.sipw-shadow-lg { box-shadow: var(--sipw-shadow-lg); }
.sipw-shadow-xl { box-shadow: var(--sipw-shadow-xl); }

/* Borders */
.sipw-border { border: 1px solid var(--sipw-gray-300); }
.sipw-rounded { border-radius: 4px; }
.sipw-rounded-md { border-radius: 8px; }
.sipw-rounded-lg { border-radius: 12px; }
.sipw-rounded-full { border-radius: 9999px; }