/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: #1a1a1a;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
}

/* Container */
.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem 1rem;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Header */
.header {
    text-align: center;
    margin-bottom: 3rem;
    color: white;
}

.logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 0.5rem;
}

.logo-icon {
    font-size: 2.5rem;
    filter: drop-shadow(0 2px 4px rgba(0,0,0,0.1));
}

.header h1 {
    font-size: 2.5rem;
    font-weight: 700;
    text-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.tagline {
    font-size: 1.1rem;
    opacity: 0.9;
    font-weight: 300;
}

/* Main Content */
.main {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Views */
.view {
    display: none;
    width: 100%;
}

.view.active {
    display: block;
}

/* Card */
.card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 2.5rem;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.card h2 {
    font-size: 1.8rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    text-align: center;
    color: #2d3748;
}

/* Forms */
.secret-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

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

label {
    font-weight: 500;
    color: #4a5568;
    font-size: 0.9rem;
}

input, textarea, select {
    padding: 0.75rem 1rem;
    border: 2px solid #e2e8f0;
    border-radius: 10px;
    font-size: 1rem;
    transition: all 0.2s;
    background: white;
    font-family: inherit;
}

input:focus, textarea:focus, select:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

textarea {
    resize: vertical;
    min-height: 120px;
}

.char-count {
    font-size: 0.8rem;
    color: #718096;
    text-align: right;
}

small {
    font-size: 0.8rem;
    color: #718096;
}

/* Buttons */
.btn {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 10px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-family: inherit;
    position: relative;
}

.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4);
}

.btn-secondary {
    background: #f7fafc;
    color: #4a5568;
    border: 2px solid #e2e8f0;
}

.btn-secondary:hover {
    background: #edf2f7;
    border-color: #cbd5e0;
}

.btn-outline {
    background: transparent;
    color: #667eea;
    border: 2px solid #667eea;
}

.btn-outline:hover {
    background: #667eea;
    color: white;
}

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

.btn-loading .btn-text {
    opacity: 0;
}

.btn-loading .btn-loading {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.btn-loading {
    display: none;
}

.btn.loading .btn-text {
    opacity: 0;
}

.btn.loading .btn-loading {
    display: block;
}

/* Success View */
.success-icon {
    font-size: 3rem;
    text-align: center;
    margin-bottom: 1rem;
}

.link-container {
    display: flex;
    gap: 0.5rem;
    margin: 1.5rem 0;
}

.link-container input {
    flex: 1;
    font-family: 'Monaco', 'Menlo', monospace;
    font-size: 0.9rem;
    background: #f7fafc;
}

.info-box {
    background: #ebf8ff;
    border: 1px solid #bee3f8;
    border-radius: 10px;
    padding: 1rem;
    margin: 1.5rem 0;
}

.info-box h4 {
    color: #2b6cb0;
    margin-bottom: 0.5rem;
}

.info-box ul {
    list-style: none;
    color: #2c5282;
}

.info-box li {
    margin: 0.25rem 0;
    padding-left: 1rem;
    position: relative;
}

.info-box li:before {
    content: '•';
    position: absolute;
    left: 0;
    color: #3182ce;
    font-weight: bold;
}

/* Secret Content */
.secret-content {
    min-height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.secret-message {
    background: #f7fafc;
    border: 2px solid #e2e8f0;
    border-radius: 10px;
    padding: 1.5rem;
    white-space: pre-wrap;
    word-break: break-word;
    font-family: inherit;
    line-height: 1.6;
    max-height: 400px;
    overflow-y: auto;
}

.loading {
    color: #667eea;
    font-weight: 500;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.error-message {
    background: #fed7d7;
    color: #c53030;
    border: 1px solid #feb2b2;
    border-radius: 10px;
    padding: 1rem;
    text-align: center;
}

.password-prompt {
    margin-bottom: 1.5rem;
}

.password-prompt .form-group {
    flex-direction: row;
    gap: 0.5rem;
}

.password-prompt input {
    flex: 1;
}

.secret-info {
    margin-top: 1rem;
    text-align: center;
    color: #718096;
}

.actions {
    margin-top: 2rem;
    text-align: center;
}

/* Footer */
.footer {
    margin-top: 3rem;
    text-align: center;
    color: white;
}

.security-info {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 15px;
    padding: 1.5rem;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.security-info h4 {
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.security-info ul {
    list-style: none;
    text-align: left;
    max-width: 600px;
    margin: 0 auto;
}

.security-info li {
    margin: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
    font-size: 0.9rem;
    opacity: 0.9;
}

.security-info li:before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #68d391;
    font-weight: bold;
}

/* Toast Notifications */
.toast-container {
    position: fixed;
    top: 2rem;
    right: 2rem;
    z-index: 1000;
}

.toast {
    background: white;
    border: 1px solid #e2e8f0;
    border-radius: 10px;
    padding: 1rem 1.5rem;
    margin-bottom: 0.5rem;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transform: translateX(100%);
    transition: transform 0.3s;
    max-width: 300px;
}

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

.toast.success {
    border-left: 4px solid #68d391;
    background: #f0fff4;
}

.toast.error {
    border-left: 4px solid #fc8181;
    background: #fffafa;
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 1rem;
    }
    
    .header h1 {
        font-size: 2rem;
    }
    
    .logo {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .card {
        padding: 1.5rem;
        border-radius: 15px;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .link-container {
        flex-direction: column;
    }
    
    .password-prompt .form-group {
        flex-direction: column;
    }
    
    .toast-container {
        top: 1rem;
        right: 1rem;
        left: 1rem;
    }
    
    .toast {
        max-width: none;
    }
    
    .security-info ul {
        text-align: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0.5rem;
    }
    
    .header {
        margin-bottom: 2rem;
    }
    
    .card {
        padding: 1rem;
    }
    
    .btn {
        padding: 0.875rem 1.25rem;
    }
}