/* ===================================
   MOBILE FALLBACK STYLES
   Critical mobile styles that work even if other CSS fails
   =================================== */

/* Critical reset for mobile */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html, body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: #e6e6e6;
    background-color: #0a192f;
    -webkit-text-size-adjust: 100%;
    -moz-text-size-adjust: 100%;
    -ms-text-size-adjust: 100%;
    overflow-x: hidden;
}

/* Mobile navigation fallback */
.navbar {
    background: #0a192f;
    padding: 1rem;
    border-bottom: 2px solid #00bfff;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
}

.nav-brand h2 {
    color: #00bfff;
    font-size: 1.2rem;
    margin: 0;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    z-index: 1001;
}

.hamburger-line {
    width: 25px;
    height: 3px;
    background: #00ffff;
    margin: 2px 0;
    transition: 0.3s;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 1rem;
    margin: 0;
    padding: 0;
}

.nav-link {
    color: #e6e6e6;
    text-decoration: none;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    transition: background 0.3s;
}

.nav-link:hover {
    background: rgba(0, 191, 255, 0.2);
    color: #00ffff;
}

/* Mobile-specific navigation */
@media (max-width: 768px) {
    .nav-toggle {
        display: flex !important;
    }
    
    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: #0a192f;
        flex-direction: column;
        padding: 1rem;
        border-top: 2px solid #00bfff;
        box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
    }
    
    .nav-menu.active {
        display: flex !important;
    }
    
    .nav-link {
        display: block;
        width: 100%;
        margin: 0.25rem 0;
        text-align: center;
        background: rgba(255, 255, 255, 0.1);
    }
}

/* Main content fallback */
.main-content {
    flex: 1;
    padding: 1rem;
    width: 100%;
    max-width: 100%;
}

/* Hero section fallback */
.hero-section {
    padding: 2rem 1rem;
    text-align: center;
    background: linear-gradient(135deg, #0a192f 0%, #020c1b 100%);
}

.hero-content h1 {
    font-size: 2rem;
    color: #00bfff;
    margin-bottom: 1rem;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: #e6e6e6;
    margin-bottom: 2rem;
}

.hero-actions {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    align-items: center;
}

/* Button fallback styles */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    background: #00bfff;
    color: #0a192f;
    text-decoration: none;
    border-radius: 4px;
    border: none;
    cursor: pointer;
    font-size: 1rem;
    font-weight: bold;
    transition: all 0.3s;
    text-align: center;
    min-height: 44px;
}

.btn:hover {
    background: #00ffff;
    transform: translateY(-2px);
}

.btn-primary {
    background: #00bfff;
    color: #0a192f;
}

.btn-admin {
    background: #ff6b35;
    color: #ffffff;
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.1rem;
    width: 100%;
    max-width: 300px;
}

/* Form fallback styles */
.auth-form {
    background: rgba(0, 0, 0, 0.3);
    padding: 2rem;
    border-radius: 8px;
    border: 2px solid #00bfff;
    max-width: 400px;
    margin: 2rem auto;
    width: 100%;
}

.form-group {
    margin-bottom: 1rem;
}

.auth-label {
    display: block;
    color: #00ff41;
    font-weight: bold;
    margin-bottom: 0.5rem;
    font-size: 1rem;
}

input[type="text"],
input[type="password"],
input[type="email"],
textarea,
select {
    width: 100%;
    padding: 0.75rem;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid #00bfff;
    border-radius: 4px;
    color: #e6e6e6;
    font-size: 16px; /* Prevent zoom on iOS */
    font-family: inherit;
}

input:focus,
textarea:focus,
select:focus {
    outline: none;
    border-color: #00ffff;
    box-shadow: 0 0 5px rgba(0, 255, 255, 0.3);
}

/* Mobile-specific optimizations */
@media (max-width: 768px) {
    body {
        font-size: 14px;
    }
    
    .hero-content h1 {
        font-size: 1.8rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .auth-form {
        margin: 1rem;
        padding: 1.5rem 1rem;
        max-width: calc(100% - 2rem);
    }
    
    .btn-large {
        width: 100%;
        margin-bottom: 0.5rem;
    }
    
    input, textarea, select {
        font-size: 16px !important;
    }
}

/* Feature boxes fallback */
.hero-features {
    display: flex;
    flex-wrap: wrap;
    gap: 2rem;
    margin: 2rem 0;
    justify-content: center;
}

.feature {
    flex: 1;
    min-width: 250px;
    background: rgba(0, 0, 0, 0.3);
    padding: 1.5rem;
    border-radius: 8px;
    border: 1px solid #00bfff;
    text-align: center;
}

@media (max-width: 768px) {
    .hero-features {
        flex-direction: column;
        gap: 1rem;
    }
    
    .feature {
        min-width: 100%;
    }
}

/* Error and flash message fallback */
.flash-messages {
    margin: 1rem;
}

.flash-message {
    padding: 1rem;
    border-radius: 4px;
    margin-bottom: 1rem;
}

.flash-success {
    background: rgba(0, 255, 0, 0.2);
    border: 1px solid #00ff00;
    color: #00ff00;
}

.flash-error {
    background: rgba(255, 0, 0, 0.2);
    border: 1px solid #ff0040;
    color: #ff0040;
}

/* Footer fallback */
.footer {
    background: #020c1b;
    color: #a4b0e6;
    text-align: center;
    padding: 1rem;
    border-top: 1px solid #00bfff;
    margin-top: auto;
}

/* Loading state */
.loading {
    text-align: center;
    padding: 2rem;
    color: #00bfff;
    font-size: 1.2rem;
}

/* Utility classes */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }
.hidden { display: none !important; }
.visible { display: block !important; }

/* Accessibility improvements */
*:focus {
    outline: 2px solid #4a90e2;
    outline-offset: 2px;
}

button:disabled,
input:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* Touch improvements */
@media (hover: none) and (pointer: coarse) {
    .btn:hover {
        transform: none;
    }
    
    .nav-link:hover {
        background: rgba(0, 191, 255, 0.3);
    }
}