/* Modern Login Page Styles - Padoo Delivery */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Main colors */
    --primary: #FF6B35;
    --primary-light: #FF8659;
    --primary-dark: #E55A2B;
    --primary-transparent: rgba(255, 107, 53, 0.1);
    
    /* Neutral colors */
    --white: #FFFFFF;
    --off-white: #F9FAFB;
    --light-gray: #F3F4F6;
    --gray-100: #E5E7EB;
    --gray-200: #D1D5DB;
    --gray-300: #9CA3AF;
    --gray-400: #6B7280;
    --gray-500: #4B5563;
    --gray-800: #1F2937;
    --black: #111827;
    
    /* Functional colors */
    --success: #10B981;
    --error: #EF4444;
    --warning: #F59E0B;
    --info: #3B82F6;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-inner: inset 0 2px 4px 0 rgba(0, 0, 0, 0.06);
    --shadow-outline: 0 0 0 3px rgba(255, 107, 53, 0.2);
    
    /* Border radius */
    --radius-sm: 0.25rem;
    --radius: 0.5rem;
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
    --radius-full: 9999px;
    
    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
    --ease-in-out: cubic-bezier(0.4, 0, 0.2, 1);
    --ease-out: cubic-bezier(0, 0, 0.2, 1);
    --ease-in: cubic-bezier(0.4, 0, 1, 1);
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideUp {
    from { transform: translateY(20px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    20%, 60% { transform: translateX(-5px); }
    40%, 80% { transform: translateX(5px); }
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

@keyframes gradientShift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: linear-gradient(-45deg, #FF8659, #FF6B35, #E55A2B, #FF7F50);
    background-size: 400% 400%;
    animation: gradientShift 15s ease infinite;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
    color: var(--black);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.login-container {
    width: 100%;
    max-width: 420px;
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    animation: slideUp var(--transition-slow) var(--ease-out);
    position: relative;
    z-index: 10;
}

.login-header {
    padding: 2.5rem 2rem 2rem;
    text-align: center;
    position: relative;
}

.login-header::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: var(--primary);
    border-radius: var(--radius-full);
}

.logo {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    animation: pulse 2s var(--ease-in-out) infinite;
    border-radius: 50%;
    overflow: hidden;
    background-color: var(--white);
    box-shadow: 0 0 0 4px var(--primary-transparent);
    padding: 8px;
}

.logo img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
}

.logo::before {
    content: "";
    position: absolute;
    width: 100%;
    height: 100%;
    background: var(--primary-transparent);
    border-radius: var(--radius-full);
    animation: pulse 2s var(--ease-in-out) infinite;
    z-index: -1;
}

.login-header h1 {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--black);
    margin-bottom: 0.5rem;
    letter-spacing: -0.025em;
}

.login-header p {
    font-size: 0.95rem;
    color: var(--gray-400);
    font-weight: 500;
}

.login-form {
    padding: 2rem;
}

.role-selector {
    margin-bottom: 1.75rem;
}

.role-selector label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--gray-800);
    margin-bottom: 0.75rem;
}

.role-options {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
}

.role-option {
    background: var(--white);
    border: 2px solid var(--gray-100);
    border-radius: var(--radius);
    padding: 1rem 0.75rem;
    cursor: pointer;
    transition: all var(--transition);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.role-option::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    opacity: 0;
    transition: opacity var(--transition);
    z-index: 0;
}

.role-option i,
.role-option span {
    position: relative;
    z-index: 1;
    transition: color var(--transition);
}

.role-option i {
    display: block;
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--gray-400);
}

.role-option span {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--gray-500);
}

.role-option:hover {
    border-color: var(--primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.role-option:hover i {
    color: var(--primary);
}

.role-option.active {
    border-color: var(--primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.role-option.active::before {
    opacity: 1;
}

.role-option.active i,
.role-option.active span {
    color: var(--white);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--gray-800);
    margin-bottom: 0.5rem;
}

.input-wrapper {
    position: relative;
}

.input-wrapper i {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--gray-300);
    font-size: 1rem;
    transition: color var(--transition);
    z-index: 1;
}

.form-input {
    width: 100%;
    padding: 1rem 1rem 1rem 3rem;
    background: var(--off-white);
    border: 2px solid var(--gray-100);
    border-radius: var(--radius);
    font-size: 1rem;
    font-weight: 500;
    color: var(--gray-800);
    transition: all var(--transition);
    outline: none;
}

.form-input::placeholder {
    color: var(--gray-300);
    font-weight: 400;
}

.form-input:focus {
    border-color: var(--primary);
    background: var(--white);
    box-shadow: var(--shadow-outline);
}

.form-input:focus + i {
    color: var(--primary);
}

.error-message {
    background: #FEF2F2;
    border: 1px solid #FEE2E2;
    color: var(--error);
    padding: 0.75rem 1rem;
    border-radius: var(--radius);
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 1.25rem;
    display: none;
    animation: shake 0.5s var(--ease-in-out);
}

.loading {
    display: none;
    color: var(--primary);
    font-size: 0.875rem;
    font-weight: 500;
    text-align: center;
    margin-bottom: 1.25rem;
    padding: 0.75rem 1rem;
    background: var(--primary-transparent);
    border-radius: var(--radius);
    border: 1px solid rgba(255, 107, 53, 0.2);
}

.loading i {
    animation: spin 1s linear infinite;
    margin-right: 0.5rem;
}

.login-btn {
    width: 100%;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: var(--white);
    border: none;
    border-radius: var(--radius);
    padding: 1rem 1.5rem;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 0.5rem;
    position: relative;
    overflow: hidden;
}

.login-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 0.7s;
}

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

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

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

.login-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

.login-btn.success {
    background: linear-gradient(135deg, var(--success) 0%, #059669 100%);
}

.footer {
    text-align: center;
    padding: 1.5rem;
    border-top: 1px solid var(--gray-100);
    background: var(--light-gray);
}

.footer p {
    font-size: 0.875rem;
    color: var(--gray-400);
    font-weight: 500;
}

.footer a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
    transition: color var(--transition);
}

.footer a:hover {
    color: var(--primary-dark);
}

/* Mobile Optimizations */
@media (max-width: 480px) {
    body {
        padding: 1rem;
        background-attachment: fixed;
    }
    
    .login-container {
        max-width: 100%;
        border-radius: var(--radius-md);
    }
    
    .login-header {
        padding: 2rem 1.5rem 1.5rem;
    }
    
    .login-header h1 {
        font-size: 1.5rem;
    }
    
    .login-form {
        padding: 1.5rem;
    }
    
    .logo {
        width: 70px;
        height: 70px;
        margin-bottom: 1.25rem;
    }
    
    .role-option {
        padding: 0.75rem 0.5rem;
    }
    
    .role-option i {
        font-size: 1.25rem;
        margin-bottom: 0.375rem;
    }
    
    .role-option span {
        font-size: 0.75rem;
    }
    
    .form-input {
        padding: 0.875rem 0.875rem 0.875rem 2.75rem;
        font-size: 1rem;
    }
    
    .input-wrapper i {
        left: 0.875rem;
    }
    
    .login-btn {
        padding: 0.875rem 1.25rem;
    }
    
    .footer {
        padding: 1.25rem 1.5rem;
    }
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
    :root {
        --white: #1E293B;
        --off-white: #0F172A;
        --light-gray: #1E293B;
        --gray-100: #334155;
        --gray-200: #475569;
        --gray-800: #F1F5F9;
        --black: #F8FAFC;
    }
    
    body {
        background: linear-gradient(-45deg, #1E293B, #0F172A, #0F172A, #1E293B);
        background-size: 400% 400%;
    }
    
    .logo::before {
        background: rgba(255, 107, 53, 0.15);
    }
    
    .error-message {
        background: rgba(239, 68, 68, 0.1);
        border-color: rgba(239, 68, 68, 0.2);
    }
    
    .footer {
        background: #0F172A;
    }
}

/* Reduced motion preferences */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
    
    body {
        background: var(--primary);
    }
}

/* Add splash screen styles */
.splash-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(-45deg, #FF8659, #FF6B35, #E55A2B, #FF7F50);
    background-size: 400% 400%;
    animation: gradientShift 15s ease infinite;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.5s ease-out;
}

.splash-screen.fade-out {
    opacity: 0;
    pointer-events: none;
}

.splash-logo {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    animation: pulse 2s var(--ease-in-out) infinite;
}

.splash-logo img {
    width: 100px;
    height: 100px;
    object-fit: contain;
    margin-bottom: 2rem;
    border-radius: 50%;
    background-color: var(--white);
    box-shadow: 0 0 0 4px rgba(255, 255, 255, 0.2);
    padding: 8px;
}

.splash-loader {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
}

.splash-loader span {
    width: 10px;
    height: 10px;
    background-color: var(--white);
    border-radius: var(--radius-full);
    display: inline-block;
    animation: loaderDots 1.4s infinite ease-in-out both;
}

.splash-loader span:nth-child(1) {
    animation-delay: -0.32s;
}

.splash-loader span:nth-child(2) {
    animation-delay: -0.16s;
}

@keyframes loaderDots {
    0%, 80%, 100% { 
        transform: scale(0);
    }
    40% { 
        transform: scale(1);
    }
}

/* Toggle password button */
.toggle-password {
    position: absolute;
    right: 1rem;
    top: 50%;
    transform: translateY(-50%);
    background: transparent;
    border: none;
    color: var(--gray-300);
    cursor: pointer;
    padding: 0.25rem;
    font-size: 1rem;
    transition: color var(--transition);
    z-index: 2;
}

.toggle-password:hover,
.toggle-password:focus {
    color: var(--primary);
    outline: none;
}

.input-focused .toggle-password {
    color: var(--primary);
}

/* Input focus animation */
.input-focused {
    transform: translateY(-2px);
    transition: transform var(--transition);
}

/* Slide out animation */
.login-container.slide-out {
    animation: slideOut 0.6s var(--ease-in) forwards;
}

@keyframes slideOut {
    0% {
        transform: translateY(0);
        opacity: 1;
    }
    100% {
        transform: translateY(-30px);
        opacity: 0;
    }
}

/* Improve mobile styles */
@media (max-width: 480px) {
    .splash-logo img {
        width: 80px;
        height: 80px;
    }
    
    .splash-loader span {
        width: 8px;
        height: 8px;
    }
}