/* Main styles for mikebs.com landing page */

/* Reset and base styles */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    line-height: 1.6;
    overflow-x: hidden;
    overflow-y: hidden;
}

/* Full-screen canvas positioning - behind text */
#geometric-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -1;
    pointer-events: auto;
}

/* Landing container */
.landing-container {
    position: relative;
    width: 100%;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    z-index: var(--z-base);
}

/* Header styling */
.landing-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-header);
    display: flex;
    justify-content: flex-end;
    align-items: center;
    padding: var(--spacing-lg) var(--spacing-xl);
    gap: var(--spacing-md);
    background: linear-gradient(to bottom, var(--bg-primary) 0%, transparent 100%);
    pointer-events: none;
}

.landing-header > * {
    pointer-events: auto;
}

/* Theme toggle button */
.theme-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    color: var(--text-secondary);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-full);
    cursor: pointer;
    font-size: 0.875rem;
    font-weight: 500;
    transition: all var(--transition-fast);
}

.theme-toggle:hover {
    background: var(--bg-tertiary);
    border-color: var(--border-secondary);
    color: var(--text-primary);
    transform: translateY(-1px);
}

.theme-toggle:active {
    transform: translateY(0);
}

.theme-toggle .theme-icon {
    font-size: 1.125rem;
    line-height: 1;
}

.theme-toggle .theme-label {
    display: none;
}

@media (min-width: 640px) {
    .theme-toggle .theme-label {
        display: inline;
    }
}

/* Login button */
.login-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    background: var(--accent-primary);
    border: none;
    color: var(--text-inverse);
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-full);
    cursor: pointer;
    font-size: 0.875rem;
    font-weight: 600;
    transition: all var(--transition-fast);
    box-shadow: var(--shadow-button);
}

.login-btn:hover {
    background: var(--accent-primary-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md), var(--shadow-glow);
}

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

.login-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.login-btn.loading {
    position: relative;
    color: transparent;
}

.login-btn.loading::after {
    content: '';
    position: absolute;
    width: 1rem;
    height: 1rem;
    border: 2px solid transparent;
    border-top-color: var(--text-inverse);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* Landing content - positioned lower on page */
.landing-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    align-items: center;
    padding-bottom: 20vh;
    min-height: 100vh;
    text-align: center;
    position: relative;
}

.landing-title {
    font-size: clamp(3rem, 10vw, 6rem);
    font-weight: 700;
    letter-spacing: -0.04em;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
    line-height: 1.1;
}

.landing-title .domain {
    color: var(--accent-primary);
    font-weight: 800;
}

.landing-subtitle {
    font-size: clamp(1rem, 2.5vw, 1.25rem);
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.6;
}

/* Modal overlay */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(8px);
    z-index: var(--z-modal);
    display: flex;
    justify-content: center;
    align-items: center;
    padding: var(--spacing-md);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-medium), visibility var(--transition-medium);
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

/* Modal wrapper for centering */
.modal-wrapper {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: var(--z-modal);
    display: flex;
    justify-content: center;
    align-items: center;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(8px);
    padding: var(--spacing-md);
}

.modal-wrapper.hidden {
    display: none;
}

/* Modal container */
.modal {
    background: var(--bg-elevated);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
    width: 100%;
    max-width: 420px;
    box-shadow: var(--shadow-modal);
    transform: scale(0.95) translateY(10px);
    transition: transform var(--transition-medium);
    border: 1px solid var(--border-primary);
}

.modal-overlay.active .modal {
    transform: scale(1) translateY(0);
}

/* Modal header */
.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-xl);
}

.modal-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

.modal-close {
    background: none;
    border: none;
    color: var(--text-tertiary);
    cursor: pointer;
    padding: var(--spacing-xs);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.modal-close:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.modal-close svg {
    width: 24px;
    height: 24px;
}

/* Form styles */
.login-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

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

.form-label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.form-input {
    width: 100%;
    padding: var(--spacing-md);
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 1rem;
    font-family: var(--font-primary);
    transition: all var(--transition-fast);
}

.form-input:hover {
    border-color: var(--border-secondary);
}

.form-input:focus {
    outline: none;
    border-color: var(--border-focus);
    box-shadow: 0 0 0 3px var(--accent-light, rgba(59, 130, 246, 0.1));
}

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

.form-submit {
    width: 100%;
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--accent-primary);
    border: none;
    border-radius: var(--radius-md);
    color: var(--text-inverse);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
    margin-top: var(--spacing-sm);
}

.form-submit:hover {
    background: var(--accent-primary-hover);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

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

.form-submit:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.form-submit.loading {
    position: relative;
    color: transparent;
}

.form-submit.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 1.25rem;
    height: 1.25rem;
    margin-left: -0.625rem;
    margin-top: -0.625rem;
    border: 2px solid transparent;
    border-top-color: var(--text-inverse);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

/* Form error message */
.form-error {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.2);
    border-radius: var(--radius-md);
    color: var(--status-error);
    font-size: 0.875rem;
    text-align: center;
}

.form-error.hidden {
    display: none;
}

/* Toast notifications */
.toast-container {
    position: fixed;
    top: var(--spacing-lg);
    right: var(--spacing-lg);
    z-index: var(--z-toast);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    pointer-events: none;
}

.toast {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--bg-elevated);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    pointer-events: auto;
    transform: translateX(100%);
    opacity: 0;
    transition: all var(--transition-medium);
    max-width: 400px;
}

.toast.show {
    transform: translateX(0);
    opacity: 1;
}

.toast.success {
    border-left: 4px solid var(--status-success);
}

.toast.error {
    border-left: 4px solid var(--status-error);
}

.toast.warning {
    border-left: 4px solid var(--status-warning);
}

.toast.info {
    border-left: 4px solid var(--status-info);
}

.toast-icon {
    flex-shrink: 0;
    width: 20px;
    height: 20px;
}

.toast-content {
    flex: 1;
}

.toast-title {
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--text-primary);
    margin-bottom: 0.125rem;
}

.toast-message {
    font-size: 0.8125rem;
    color: var(--text-secondary);
}

.toast-close {
    flex-shrink: 0;
    background: none;
    border: none;
    color: var(--text-tertiary);
    cursor: pointer;
    padding: var(--spacing-xs);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.toast-close:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

/* Focus styles for accessibility */
button:focus-visible,
input:focus-visible {
    outline: 2px solid var(--accent-primary);
    outline-offset: 2px;
}

/* Skip link for accessibility */
.skip-link {
    position: absolute;
    top: -100%;
    left: var(--spacing-md);
    background: var(--accent-primary);
    color: var(--text-inverse);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    text-decoration: none;
    font-weight: 500;
    z-index: var(--z-tooltip);
    transition: top var(--transition-fast);
}

.skip-link:focus {
    top: var(--spacing-md);
}

/* Responsive design */
@media (max-width: 640px) {
    .landing-header {
        padding: var(--spacing-md);
        gap: var(--spacing-sm);
    }
    
    .theme-toggle {
        padding: var(--spacing-sm);
    }
    
    .login-btn {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: 0.8125rem;
    }
    
    .landing-content {
        padding: var(--spacing-lg);
    }
    
    .modal {
        padding: var(--spacing-xl);
        margin: var(--spacing-md);
    }
    
    .modal-title {
        font-size: 1.25rem;
    }
    
    .toast-container {
        left: var(--spacing-md);
        right: var(--spacing-md);
    }
    
    .toast {
        max-width: none;
    }
}

/* Reduced motion preference */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    html {
        scroll-behavior: auto;
    }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .login-btn,
    .form-submit {
        border: 2px solid currentColor;
    }
    
    .form-input {
        border-width: 2px;
    }
}