/* auth.css - Authentication Pages Specific Styles */

/* ┌─────────────────────────────────────────────────┐
   │               DARK THEME RESET & BASE           │
   └─────────────────────────────────────────────────┘ */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  /* Light Theme Colors */
  --bg-primary: #f8fafc;
  --bg-secondary: #ffffff;
  --bg-tertiary: #f1f5f9;
  --bg-card: #ffffff;
  --bg-hover: #f8fafc;
  
  /* Accent Colors */
  --accent-primary: #4f46e5;
  --accent-secondary: #06b6d4;
  --accent-warning: #f59e0b;
  --accent-danger: #ef4444;
  --accent-success: #10b981;
  
  /* Text Colors */
  --text-primary: #1e293b;
  --text-secondary: #64748b;
  --text-muted: #94a3b8;
  
  /* Border Colors */
  --border-primary: #e2e8f0;
  --border-secondary: #cbd5e1;
  
  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%);
  --gradient-secondary: linear-gradient(135deg, #06b6d4 0%, #0ea5e9 100%);
  --gradient-card: linear-gradient(145deg, #ffffff 0%, #f8fafc 100%);
  --gradient-sidebar: linear-gradient(180deg, #ffffff 0%, #f1f5f9 100%);
  
  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.12);
  --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.15);
  --shadow-glow: 0 0 20px rgba(79, 70, 229, 0.15);

  /* Keep the rest of your existing variables the same */
  --font-family: 'SF Pro Display', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'SF Mono', 'Fira Code', monospace;
  
  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  
  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.75rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
  --radius-full: 50%;
  
  /* Transitions */
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  
  /* Z-index */
  --z-dropdown: 1000;
  --z-sticky: 1020;
  --z-fixed: 1030;
  --z-modal: 1040;
  --z-popover: 1050;
  --z-tooltip: 1060;
}


/* Auth Container */
.signup-container, .login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-primary);
    padding: var(--space-6);
}

.signup-container::before, .login-container::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 20% 80%, rgba(108, 99, 255, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 80% 20%, rgba(0, 212, 170, 0.1) 0%, transparent 50%);
    z-index: -1;
}

/* Auth Card */
.auth-card {
    background: var(--gradient-card);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    padding: var(--space-8);
    width: 100%;
    max-width: 480px;
    box-shadow: var(--shadow-lg);
    position: relative;
    overflow: hidden;
}

.auth-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
}

/* Auth Header */
.auth-header {
    text-align: center;
    margin-bottom: var(--space-8);
}

.auth-header h1 {
    font-size: 2rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--space-2);
}

.auth-header p {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

/* Auth Form */
.auth-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.form-group label {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.form-group label::after {
    content: '*';
    color: var(--accent-danger);
    margin-left: var(--space-1);
}

.form-group label:has(+ input:not([required]))::after {
    content: '';
}

/* Form Inputs */
.form-input, .form-select, .form-file {
    width: 100%;
    padding: var(--space-4) var(--space-5);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md);
    font-size: 1rem;
    color: var(--text-primary);
    transition: all var(--transition-fast);
    font-family: inherit;
}

.form-input::placeholder {
    color: var(--text-muted);
}

.form-input:focus, .form-select:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: var(--shadow-glow);
    background: var(--bg-secondary);
    transform: translateY(-1px);
}

/* Select Styling */
.form-select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%236c63ff' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right var(--space-4) center;
    background-size: 16px;
    padding-right: var(--space-10);
}

/* Multiple Select */
.form-select[multiple] {
    background-image: none;
    padding-right: var(--space-5);
    height: 120px;
}

.form-select[multiple] option {
    background: var(--bg-secondary);
    color: var(--text-primary);
    padding: var(--space-3);
    margin: var(--space-1) 0;
    border-radius: var(--radius-sm);
}

.form-select[multiple] option:checked {
    background: var(--gradient-primary);
    color: var(--text-primary);
}

/* File Input Styling */
.form-file {
    padding: var(--space-3);
}

.form-file::-webkit-file-upload-button {
    background: var(--gradient-primary);
    color: var(--text-primary);
    border: none;
    padding: var(--space-3) var(--space-5);
    border-radius: var(--radius-md);
    margin-right: var(--space-4);
    cursor: pointer;
    transition: all var(--transition-fast);
    font-weight: 600;
}

.form-file::-webkit-file-upload-button:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-glow);
}

.form-file::file-selector-button {
    background: var(--gradient-primary);
    color: var(--text-primary);
    border: none;
    padding: var(--space-3) var(--space-5);
    border-radius: var(--radius-md);
    margin-right: var(--space-4);
    cursor: pointer;
    transition: all var(--transition-fast);
    font-weight: 600;
}

.form-file::file-selector-button:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-glow);
}

/* Submit Button */
.submit-btn {
    background: var(--gradient-primary);
    color: var(--text-primary);
    border: none;
    padding: var(--space-5) var(--space-8);
    border-radius: var(--radius-md);
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-3);
    margin-top: var(--space-4);
    position: relative;
    overflow: hidden;
}

.submit-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left var(--transition-slow);
}

.submit-btn:hover::before {
    left: 100%;
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

.submit-btn:active {
    transform: translateY(0);
}

/* Auth Footer */
.auth-footer {
    text-align: center;
    margin-top: var(--space-8);
    padding-top: var(--space-6);
    border-top: 1px solid var(--border-primary);
}

.auth-footer p {
    color: var(--text-secondary);
}

.auth-link {
    color: var(--accent-primary);
    text-decoration: none;
    font-weight: 600;
    transition: all var(--transition-fast);
}

.auth-link:hover {
    color: var(--accent-secondary);
    text-decoration: underline;
}

/* Form Validation Styles */
.form-input:invalid:not(:focus):not(:placeholder-shown) {
    border-color: var(--accent-danger);
    background: rgba(255, 92, 141, 0.1);
}

.form-input:valid:not(:focus):not(:placeholder-shown) {
    border-color: var(--accent-success);
    background: rgba(76, 217, 123, 0.1);
}

/* Loading State */
.submit-btn.loading {
    pointer-events: none;
    opacity: 0.8;
}

.submit-btn.loading::after {
    content: '';
    width: 16px;
    height: 16px;
    border: 2px solid transparent;
    border-top: 2px solid var(--text-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* Success/Error Messages */
.auth-message {
    padding: var(--space-4);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-4);
    text-align: center;
    font-weight: 600;
}

.message-success {
    background: rgba(76, 217, 123, 0.2);
    color: var(--accent-success);
    border: 1px solid var(--accent-success);
}

.message-error {
    background: rgba(255, 92, 141, 0.2);
    color: var(--accent-danger);
    border: 1px solid var(--accent-danger);
}

/* Skill Tags Display */
.skills-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    margin-top: var(--space-2);
}

.skill-tag {
    background: var(--gradient-primary);
    color: var(--text-primary);
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    font-weight: 600;
}

/* Responsive Design */
@media (max-width: 768px) {
    .signup-container, .login-container {
        padding: var(--space-4);
    }
    
    .auth-card {
        padding: var(--space-6);
        margin: var(--space-4);
    }
    
    .auth-header h1 {
        font-size: 1.75rem;
    }
    
    .form-input, .form-select, .form-file {
        padding: var(--space-3) var(--space-4);
    }
    
    .submit-btn {
        padding: var(--space-4) var(--space-6);
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    .auth-card {
        padding: var(--space-4);
        border-radius: var(--radius-md);
    }
    
    .auth-header h1 {
        font-size: 1.5rem;
    }
    
    .auth-form {
        gap: var(--space-4);
    }
}

/* Animation */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.auth-card {
    animation: fadeInUp 0.6s ease-out;
}

/* Custom Scrollbar for Select */
.form-select[multiple]::-webkit-scrollbar {
    width: 6px;
}

.form-select[multiple]::-webkit-scrollbar-track {
    background: var(--bg-secondary);
    border-radius: var(--radius-sm);
}

.form-select[multiple]::-webkit-scrollbar-thumb {
    background: var(--accent-primary);
    border-radius: var(--radius-sm);
}

.form-select[multiple]::-webkit-scrollbar-thumb:hover {
    background: var(--accent-secondary);
}