/* ========================================
   Smart Events - Frontend Design System
   Modernus ir nuoseklus frontend dizainas
   ======================================== */

:root {
    /* Pagrindinės spalvos */
    --se-primary: #0aaead;
    --se-primary-dark: #1e4a52;
    --se-secondary: #8360c3;
    --se-secondary-dark: #604083;
    --se-gradient: linear-gradient(75deg, #0aaead 0%, #8360c3 100%);
    --se-accent: #0aaead;
    
    /* Fono spalvos */
    --se-bg: #ffffff;
    --se-bg-light: #f2f4f7;
    --se-bg-hover: #f8f9fa;
    --se-bg-dark: #1a1a1a;
    
    /* Teksto spalvos */
    --se-text: #303640;
    --se-text-light: #5a6a85;
    --se-text-muted: #6c757d;
    --se-text-white: #ffffff;
    
    /* Rėmeliai */
    --se-border: #e3e7f0;
    --se-border-light: #dee2e6;
    --se-border-dark: #cccccc;
    --se-border-focus: #0aaead;
    
    /* Šešėliai */
    --se-shadow: 0 0.04rem 0.08rem rgba(0, 0, 0, 0.1), 0 0.13rem 0.4rem rgba(0, 0, 0, 0.1);
    --se-shadow-hover: 0 6px 24px rgba(40, 186, 153, 0.18), 0 2px 12px rgba(0, 0, 0, 0.10);
    --se-shadow-card: 0 2px 8px rgba(0, 0, 0, 0.08);
    --se-shadow-button: 0 2px 4px rgba(0, 0, 0, 0.1);
    
    /* Statusų spalvos */
    --se-success: #0aaead;
    --se-success-dark: #0e8782;
    --se-success-light: #e6f7f7;    
    --se-warning: #ffc107;
    --se-warning-light: #fff8e1;
    --se-danger: #dc3545;
    --se-danger-light: #f8d7da;
    --se-info: #17a2b8;
    --se-info-light: #d1ecf1;
    
    /* Apvalinimas */
    --se-radius-sm: 2px;
    --se-radius: 4px;
    --se-radius-lg: 8px;
    --se-radius-xl: 12px;
    --se-radius-full: 50px;
    
    /* Tarpai */
    --se-space-1: 0.25rem;
    --se-space-2: 0.5rem;
    --se-space-3: 0.75rem;
    --se-space-4: 1rem;
    --se-space-5: 1.25rem;
    --se-space-6: 1.5rem;
    --se-space-8: 2rem;
    --se-space-10: 2.5rem;
    --se-space-12: 3rem;
    
    /* Perėjimai */
    --se-transition: all 0.3s ease;
    --se-transition-fast: all 0.15s ease;
}

/* ========================================
   PAGALBINĖS KLASĖS
   ======================================== */

/* Teksto stiliai */
.se-text--muted {
    color: var(--se-text-muted);
}

.se-text--sm {
    font-size: 13px;
}

.se-text--lg {
    font-size: 16px;
}

.se-text--xl {
    font-size: 18px;
}

.se-text--2xl {
    font-size: 24px;
}

.se-text--bold {
    font-weight: 600;
}

.se-text--success {
    color: var(--se-success);
}

.se-text--error {
    color: var(--se-danger);
}

.se-text--warning {
    color: var(--se-warning);
}

.se-text--info {
    color: var(--se-info);
}

/* Tarpai */
.se-mb-0 { margin-bottom: 0 !important; }
.se-mb-1 { margin-bottom: var(--se-space-1) !important; }
.se-mb-2 { margin-bottom: var(--se-space-2) !important; }
.se-mb-3 { margin-bottom: var(--se-space-3) !important; }
.se-mb-4 { margin-bottom: var(--se-space-4) !important; }
.se-mb-6 { margin-bottom: var(--se-space-6) !important; }
.se-mb-8 { margin-bottom: var(--se-space-8) !important; }

.se-mt-0 { margin-top: 0 !important; }
.se-mt-1 { margin-top: var(--se-space-1) !important; }
.se-mt-2 { margin-top: var(--se-space-2) !important; }
.se-mt-3 { margin-top: var(--se-space-3) !important; }
.se-mt-4 { margin-top: var(--se-space-4) !important; }
.se-mt-6 { margin-top: var(--se-space-6) !important; }
.se-mt-8 { margin-top: var(--se-space-8) !important; }

.se-mr-1 { margin-right: var(--se-space-1) !important; }
.se-mr-2 { margin-right: var(--se-space-2) !important; }
.se-mr-3 { margin-right: var(--se-space-3) !important; }
.se-ml-1 { margin-left: var(--se-space-1) !important; }
.se-ml-2 { margin-left: var(--se-space-2) !important; }
.se-ml-3 { margin-left: var(--se-space-3) !important; }

.se-my-2 { margin-top: var(--se-space-2) !important; margin-bottom: var(--se-space-2) !important; }
.se-my-4 { margin-top: var(--se-space-4) !important; margin-bottom: var(--se-space-4) !important; }
.se-my-6 { margin-top: var(--se-space-6) !important; margin-bottom: var(--se-space-6) !important; }

.se-mx-auto { margin-left: auto !important; margin-right: auto !important; }

/* Rodymas/slėpimas */
.se-hidden {
    display: none !important;
}

.se-visible {
    display: block !important;
}

.se-flex {
    display: flex !important;
}

.se-inline-flex {
    display: inline-flex !important;
}

.se-grid {
    display: grid !important;
}

/* Flexbox pagalbinės klasės */
.se-items-center {
    align-items: center !important;
}

.se-justify-center {
    justify-content: center !important;
}

.se-justify-between {
    justify-content: space-between !important;
}

.se-flex-col {
    flex-direction: column !important;
}

.se-flex-wrap {
    flex-wrap: wrap !important;
}

.se-gap-2 {
    gap: var(--se-space-2) !important;
}

.se-gap-4 {
    gap: var(--se-space-4) !important;
}

/* ========================================
   FORMAI
   ======================================== */

.se-form-group {
    margin-bottom: var(--se-space-4);
}

.se-label {
    display: block;
    font-weight: 500;
    color: var(--se-text);
    margin-bottom: var(--se-space-2);
    font-size: 14px;
}

.se-label--required::after {
    content: " *";
    color: var(--se-danger);
}

.se-input {
    width: 100%;
    padding: var(--se-space-3) var(--se-space-4);
    border: 1px solid var(--se-border);
    border-radius: var(--se-radius);
    font-size: 14px;
    line-height: 1.5;
    color: var(--se-text);
    background: var(--se-bg);
    transition: var(--se-transition);
    box-sizing: border-box;
}

.se-input:focus {
    outline: none;
    border-color: var(--se-border-focus);
    box-shadow: 0 0 0 3px rgba(40, 186, 153, 0.1);
}

.se-input:hover {
    border-color: var(--se-border-dark);
}

.se-input--sm {
    padding: var(--se-space-2) var(--se-space-3);
    font-size: 13px;
}

.se-input--lg {
    padding: var(--se-space-4) var(--se-space-5);
    font-size: 16px;
}

.se-textarea {
    width: 100%;
    padding: var(--se-space-3) var(--se-space-4);
    border: 1px solid var(--se-border);
    border-radius: var(--se-radius);
    font-size: 14px;
    line-height: 1.5;
    color: var(--se-text);
    background: var(--se-bg);
    transition: var(--se-transition);
    resize: vertical;
    min-height: 100px;
    box-sizing: border-box;
    font-family: inherit;
}

.se-textarea:focus {
    outline: none;
    border-color: var(--se-border-focus);
    box-shadow: 0 0 0 3px rgba(40, 186, 153, 0.1);
}

.se-select {
    width: 100%;
    padding: var(--se-space-3) var(--se-space-4);
    border: 1px solid var(--se-border);
    border-radius: var(--se-radius);
    font-size: 14px;
    line-height: 1.5;
    color: var(--se-text);
    background: var(--se-bg);
    transition: var(--se-transition);
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='m6 8 4 4 4-4'/%3e%3c/svg%3e");
    background-position: right var(--se-space-3) center;
    background-repeat: no-repeat;
    background-size: 16px 12px;
    padding-right: calc(var(--se-space-4) + 20px);
    box-sizing: border-box;
}

.se-select:focus {
    outline: none;
    border-color: var(--se-border-focus);
    box-shadow: 0 0 0 3px rgba(40, 186, 153, 0.1);
}

.se-select:hover {
    border-color: var(--se-border-dark);
}

.se-checkbox,
.se-radio {
    display: inline-flex;
    align-items: center;
    cursor: pointer;
    font-size: 14px;
    color: var(--se-text);
    margin-right: var(--se-space-4);
    user-select: none;
}

.se-checkbox input[type="checkbox"],
.se-radio input[type="radio"] {
    margin-right: var(--se-space-2);
    width: 16px;
    height: 16px;
    accent-color: var(--se-primary);
}

.se-checkbox:focus,
.se-radio:focus {
    outline: none;
}

.se-checkbox:focus-within,
.se-radio:focus-within {
    outline: 2px solid var(--se-border-focus);
    outline-offset: 2px;
    border-radius: var(--se-radius);
}

/* ========================================
   MYGTUKAI
   ======================================== */

.se-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--se-space-3) var(--se-space-6);
    border: none;
    border-radius: var(--se-radius);
    font-size: 14px;
    font-weight: 500;
    line-height: 1.5;
    text-decoration: none;
    cursor: pointer;
    transition: var(--se-transition);
    background: var(--se-bg);
    color: var(--se-text);
    box-shadow: var(--se-shadow-button);
    gap: var(--se-space-2);
    white-space: nowrap;
    user-select: none;
}

.se-button:hover {
    transform: translateY(-1px);
    box-shadow: var(--se-shadow-hover);
    text-decoration: none;
}

.se-button:active {
    transform: translateY(0);
}

.se-button--primary {
    background: var(--se-primary);
    color: var(--se-text-white);
}

.se-button--primary:hover {
    background: var(--se-primary-hover);
    color: var(--se-text-white);
}

.se-button--secondary {
    background: var(--se-secondary);
    color: var(--se-text-white);
}

.se-button--secondary:hover {
    background: var(--se-secondary-dark);
    color: var(--se-text-white);
}

.se-button--success {
    background: var(--se-success);
    color: var(--se-text-white);
}

.se-button--success:hover {
    background: var(--se-success-dark);
    color: var(--se-text-white);
}

.se-button--warning {
    background: var(--se-warning);
    color: var(--se-text-white);
}

.se-button--warning:hover {
    background: #c4124a;
    color: var(--se-text-white);
}

.se-button--danger {
    background: var(--se-danger);
    color: var(--se-text-white);
}

.se-button--danger:hover {
    background: #c82333;
    color: var(--se-text-white);
}

.se-button--outline {
    background: transparent;
    border: 1px solid var(--se-border);
    color: var(--se-text);
}

.se-button--outline:hover {
    background: var(--se-bg-hover);
    border-color: var(--se-border-dark);
}

.se-button--xs {
    padding: var(--se-space-1) var(--se-space-3);
    font-size: 12px;
}

.se-button--sm {
    padding: var(--se-space-2) var(--se-space-4);
    font-size: 13px;
}

.se-button--lg {
    padding: var(--se-space-4) var(--se-space-8);
    font-size: 16px;
}

.se-button--xl {
    padding: var(--se-space-5) var(--se-space-10);
    font-size: 18px;
}

.se-button--full {
    width: 100%;
}

.se-button--disabled,
.se-button:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    pointer-events: none;
}

.se-button--disabled:hover,
.se-button:disabled:hover {
    transform: none;
    box-shadow: var(--se-shadow-button);
}

.se-button-group {
    display: flex;
    gap: var(--se-space-2);
    align-items: center;
}

.se-button-group--vertical {
    flex-direction: column;
    align-items: stretch;
}

.se-button-group--center {
    justify-content: center;
}

.se-button-group--full .se-button {
    flex: 1;
}

/* ========================================
   KORTELĖS
   ======================================== */

.se-card {
    background: var(--se-bg);
    border: 1px solid var(--se-border);
    border-radius: var(--se-radius-lg);
    box-shadow: var(--se-shadow-card);
    overflow: hidden;
    transition: var(--se-transition);
}

.se-card:hover {
    box-shadow: var(--se-shadow-hover);
    transform: translateY(-2px);
}

.se-card__header {
    padding: var(--se-space-4) var(--se-space-6);
    border-bottom: 1px solid var(--se-border);
    background: var(--se-bg-light);
}

.se-card__header h3 {
    margin: 0;
    font-size: 18px;
    font-weight: 600;
    color: var(--se-text);
}

.se-card__content {
    padding: var(--se-space-6);
}

.se-card__footer {
    padding: var(--se-space-4) var(--se-space-6);
    border-top: 1px solid var(--se-border);
    background: var(--se-bg-light);
}

/* ========================================
   PRANEŠIMAI
   ======================================== */

.se-message {
    padding: var(--se-space-4);
    border-radius: var(--se-radius);
    border: 1px solid;
    margin-bottom: var(--se-space-4);
    display: flex;
    align-items: flex-start;
    align-items: center;
    gap: var(--se-space-3);
}

.se-message i {
    margin-top: 2px;
    font-size: 16px;
}

.se-message--success {
    background: var(--se-success-light);
    border-color: var(--se-success);
    color: var(--se-success-dark);
}

.se-message--warning {
    background: var(--se-warning-light);
    border-color: var(--se-warning);
}

.se-message--error {
    background: var(--se-danger-light);
    border-color: var(--se-danger);
    color: var(--se-danger);
}

.se-message--info {
    background: var(--se-info-light);
    border-color: var(--se-info);
    color: var(--se-info);
}

.se-message--neutral {
    background: var(--se-bg-light);
    border-color: var(--se-border);
    color: var(--se-text);
}

/* ========================================
   STATUSAI
   ======================================== */

.se-status {
    display: inline-flex;
    align-items: center;
    padding: var(--se-space-1) var(--se-space-3);
    border-radius: var(--se-radius-full);
    font-size: 12px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    gap: var(--se-space-1);
}

.se-status--success {
    background: var(--se-success-light);
    color: var(--se-success-dark);
}

.se-status--warning {
    background: var(--se-warning-light);
    color: var(--se-warning);
}

.se-status--error {
    background: var(--se-danger-light);
    color: var(--se-danger);
}

.se-status--info {
    background: var(--se-info-light);
    color: var(--se-info);
}

.se-status--neutral {
    background: var(--se-bg-light);
    color: var(--se-text-muted);
}

.se-status--sm {
    padding: 2px var(--se-space-2);
    font-size: 10px;
}

/* ========================================
   LENTELĖS
   ======================================== */

.se-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--se-bg);
    border-radius: var(--se-radius-lg);
    overflow: hidden;
    box-shadow: var(--se-shadow-card);
}

.se-table th {
    background: var(--se-bg-light);
    padding: var(--se-space-4);
    text-align: left;
    font-weight: 600;
    color: var(--se-text);
    border-bottom: 1px solid var(--se-border);
    font-size: 14px;
}

.se-table td {
    padding: var(--se-space-4);
    border-bottom: 1px solid var(--se-border);
    color: var(--se-text);
    font-size: 14px;
}

.se-table tr:hover {
    background: var(--se-bg-hover);
}

.se-table tr:last-child td {
    border-bottom: none;
}

/* ========================================
   GRID SISTEMA
   ======================================== */

.se-grid {
    display: grid;
    gap: var(--se-space-6);
}

.se-grid--1 { grid-template-columns: repeat(1, 1fr); }
.se-grid--2 { grid-template-columns: repeat(2, 1fr); }
.se-grid--3 { grid-template-columns: repeat(3, 1fr); }
.se-grid--4 { grid-template-columns: repeat(4, 1fr); }

/* ========================================
   KONTEINERIAI
   ======================================== */

.se-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--se-space-4);
}

.se-container--sm {
    max-width: 640px;
}

.se-container--md {
    max-width: 768px;
}

.se-container--lg {
    max-width: 1024px;
}

.se-container--xl {
    max-width: 1280px;
}

/* ========================================
   RESPONSIVE
   ======================================== */

@media (max-width: 768px) {
    .se-grid--2,
    .se-grid--3,
    .se-grid--4 {
        grid-template-columns: 1fr;
    }
    
    .se-button-group {
        flex-direction: column;
    }
    
    .se-button-group--full .se-button {
        width: 100%;
    }
    
    .se-container {
        padding: 0 var(--se-space-3);
    }
    
    .se-card__header,
    .se-card__content,
    .se-card__footer {
        padding: var(--se-space-4);
    }
    
    .se-table {
        font-size: 13px;
    }
    
    .se-table th,
    .se-table td {
        padding: var(--se-space-3);
    }
}

@media (max-width: 480px) {
    .se-button {
        padding: var(--se-space-2) var(--se-space-4);
        font-size: 13px;
    }
    
    .se-input,
    .se-textarea,
    .se-select {
        font-size: 16px; /* Išvengia zoom iOS */
    }
}

/* ========================================
   ANIMACIJOS
   ======================================== */

@keyframes se-fade-in {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes se-slide-in {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.se-animate-fade-in {
    animation: se-fade-in 0.3s ease-out;
}

.se-animate-slide-in {
    animation: se-slide-in 0.3s ease-out;
}

/* ========================================
   UTILITY KLASĖS
   ======================================== */

.se-text-center { text-align: center !important; }
.se-text-left { text-align: left !important; }
.se-text-right { text-align: right !important; }

.se-w-full { width: 100% !important; }
.se-h-full { height: 100% !important; }

.se-rounded { border-radius: var(--se-radius) !important; }
.se-rounded-lg { border-radius: var(--se-radius-lg) !important; }
.se-rounded-full { border-radius: var(--se-radius-full) !important; }

.se-shadow { box-shadow: var(--se-shadow) !important; }
.se-shadow-lg { box-shadow: var(--se-shadow-card) !important; }

.se-border { border: 1px solid var(--se-border) !important; }
.se-border-t { border-top: 1px solid var(--se-border) !important; }
.se-border-b { border-bottom: 1px solid var(--se-border) !important; }
.se-border-l { border-left: 1px solid var(--se-border) !important; }
.se-border-r { border-right: 1px solid var(--se-border) !important; }

.se-bg-primary { background: var(--se-primary) !important; }
.se-bg-secondary { background: var(--se-secondary) !important; }
.se-bg-success { background: var(--se-success) !important; }
.se-bg-warning { background: var(--se-warning) !important; }
.se-bg-danger { background: var(--se-danger) !important; }
.se-bg-info { background: var(--se-info) !important; }
.se-bg-light { background: var(--se-bg-light) !important; }

.se-text-primary { color: var(--se-primary) !important; }
.se-text-secondary { color: var(--se-secondary) !important; }
.se-text-success { color: var(--se-success) !important; }
.se-text-warning { color: var(--se-warning) !important; }
.se-text-danger { color: var(--se-danger) !important; }
.se-text-info { color: var(--se-info) !important; }
.se-text-white { color: var(--se-text-white) !important; }

/* ========================================
   TOAST PRANEŠIMŲ SISTEMA
   ======================================== */

.se-toast-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 999999;
    display: flex;
    flex-direction: column;
    gap: 8px;
    max-width: 400px;
}

.se-toast {
    position: relative;
    padding: 12px 16px;
    border-radius: var(--se-radius);
    color: #fff;
    font-size: 14px;
    font-weight: 500;
    box-shadow: var(--se-shadow);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    max-width: 400px;
    word-wrap: break-word;
    transform: translateX(100%);
    opacity: 0;
    transition: all 0.3s ease-out;
}

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

.se-toast__content {
    display: flex;
    align-items: center;
    gap: 8px;
    flex: 1;
}

.se-toast__close {
    background: none;
    border: none;
    color: inherit;
    font-size: 18px;
    cursor: pointer;
    padding: 0;
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0.7;
    transition: opacity 0.2s ease;
}

.se-toast__close:hover {
    opacity: 1;
}

.se-toast i {
    font-size: 16px;
    flex-shrink: 0;
}

.se-toast--success {
    background: var(--se-success-light);
    border-left: 4px solid var(--se-success);
    color: var(--se-success-dark);
}

.se-toast--error {
    background: var(--se-danger-light);
    border-left: 4px solid var(--se-danger);
    color: var(--se-danger);
}

.se-toast--warning {
    background: var(--se-warning-light);
    border-left: 4px solid var(--se-warning);
    color: #856404;
}

.se-toast--info {
    background: var(--se-info-light);
    border-left: 4px solid var(--se-info);
    color: var(--se-info);
}

@keyframes se-toast-slide-in {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes se-toast-slide-out {
    from {
        transform: translateX(0);
        opacity: 1;
    }
    to {
        transform: translateX(100%);
        opacity: 0;
    }
}